diff --git a/__mocks__/maska.ts b/__mocks__/maska.ts
index 2e6733afbf..ad0d93c879 100644
--- a/__mocks__/maska.ts
+++ b/__mocks__/maska.ts
@@ -1,8 +1,8 @@
 /**
  * This is a mock for the vMaska directive exported by maska package.
  */
+import { Jest as jest } from "@jest/environment";
 
-// eslint-disable-next-line no-undef
 const vMaska = jest.fn();
 
 export { vMaska };
diff --git a/eslint.config.js b/eslint.config.js
index 901e9afb46..2cf7696a36 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -140,4 +140,10 @@ module.exports = [
 			},
 		},
 	},
+	{
+		files: ["src/components/icons/material/index.ts"],
+		rules: {
+			"schulcloud/material-icon-imports": "off",
+		},
+	},
 ];
diff --git a/src/components/administration/external-tool-section-utils.composable.unit.ts b/src/components/administration/external-tool-section-utils.composable.unit.ts
index e02f920aea..944ebb1fb4 100644
--- a/src/components/administration/external-tool-section-utils.composable.unit.ts
+++ b/src/components/administration/external-tool-section-utils.composable.unit.ts
@@ -6,7 +6,6 @@ import {
 } from "@/serverApi/v3";
 import { SchoolExternalTool } from "@/store/external-tool";
 import SchoolExternalToolsModule from "@/store/school-external-tools";
-import { DataTableHeader } from "@/types/vuetify";
 import {
 	schoolExternalToolFactory,
 	schoolExternalToolResponseFactory,
diff --git a/src/components/external-tools/configuration/ExternalToolConfigurator.vue b/src/components/external-tools/configuration/ExternalToolConfigurator.vue
index d92ffcb695..72e5d2c0a4 100644
--- a/src/components/external-tools/configuration/ExternalToolConfigurator.vue
+++ b/src/components/external-tools/configuration/ExternalToolConfigurator.vue
@@ -336,7 +336,7 @@ const pasteFromClipboard = async () => {
 		await nextTick();
 
 		updateSearchInput(text);
-	} catch (err) {
+	} catch {
 		notifierModule.show({
 			text: t("pages.tool.select.clipboard.error"),
 			status: "error",
diff --git a/src/components/external-tools/configuration/external-tool-url-insertion.composable.ts b/src/components/external-tools/configuration/external-tool-url-insertion.composable.ts
index 3654701270..cdcb42f0ef 100644
--- a/src/components/external-tools/configuration/external-tool-url-insertion.composable.ts
+++ b/src/components/external-tools/configuration/external-tool-url-insertion.composable.ts
@@ -5,7 +5,7 @@ export function useExternalToolUrlInsertion() {
 		try {
 			new URL(text);
 			return true;
-		} catch (err) {
+		} catch {
 			return false;
 		}
 	};
diff --git a/src/components/icons/material/index.ts b/src/components/icons/material/index.ts
index 8a642963d5..e15593b60e 100644
--- a/src/components/icons/material/index.ts
+++ b/src/components/icons/material/index.ts
@@ -1,4 +1,3 @@
-/* eslint-disable schulcloud/material-icon-imports */
 import {
 	mdiAccountBoxOutline,
 	mdiAccountEditOutline,
diff --git a/src/components/lern-store/LernstoreCollectionDetailView.vue b/src/components/lern-store/LernstoreCollectionDetailView.vue
index 8db9074959..587a903ccb 100644
--- a/src/components/lern-store/LernstoreCollectionDetailView.vue
+++ b/src/components/lern-store/LernstoreCollectionDetailView.vue
@@ -267,7 +267,7 @@ export default defineComponent({
 				// Clears the previous collection elements before rendering the new ones
 				contentModule.clearElements();
 				await contentModule.getElements(this.query);
-			} catch (error) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("pages.content.notification.lernstoreNotAvailable"),
 					status: "error",
diff --git a/src/components/lern-store/LernstoreDetailView.vue b/src/components/lern-store/LernstoreDetailView.vue
index 44cc93a208..3a42c5ed17 100644
--- a/src/components/lern-store/LernstoreDetailView.vue
+++ b/src/components/lern-store/LernstoreDetailView.vue
@@ -41,7 +41,6 @@
 		<div ref="sidebar" class="sidebar elevation-6">
 			<div class="content-container">
 				<div class="actions" />
-				<!--eslint-disable-next-line vuetify/no-deprecated-classes -->
 				<div class="title">
 					<span>
 						{{ resource.title || resource.name }}
@@ -175,8 +174,8 @@
 </template>
 
 <script>
-import UserHasRole from "@/components/helpers/UserHasRole";
-import AddContentButton from "@/components/lern-store/AddContentButton";
+import UserHasRole from "@/components/helpers/UserHasRole.vue";
+import AddContentButton from "@/components/lern-store/AddContentButton.vue";
 import LernStorePlayer from "@/components/lern-store/LernStorePlayer";
 import contentMeta from "@/mixins/contentMeta";
 import { printDateFromTimestamp } from "@/plugins/datetime";
@@ -194,7 +193,7 @@ import {
 import { buildPageTitle } from "@/utils/pageTitle";
 import { RenderHTML } from "@feature-render-html";
 import { mdiCalendar, mdiClose, mdiOpenInNew, mdiPound } from "@icons/material";
-import BaseLink from "../base/BaseLink";
+import BaseLink from "@/components/base/BaseLink.vue";
 import { $axios } from "@/utils/api";
 
 const DEFAULT_AUTHOR = "admin";
diff --git a/src/components/share/ImportFlow.vue b/src/components/share/ImportFlow.vue
index bdcdf67d39..9218fb9bdc 100644
--- a/src/components/share/ImportFlow.vue
+++ b/src/components/share/ImportFlow.vue
@@ -180,7 +180,7 @@ async function startImport(name: string) {
 		} else {
 			openModal("result");
 		}
-	} catch (error: unknown) {
+	} catch {
 		showFailureBackend(newName.value);
 	}
 }
diff --git a/src/components/templates/TasksDashboardMain.unit.ts b/src/components/templates/TasksDashboardMain.unit.ts
index b755e58cef..83655139d4 100644
--- a/src/components/templates/TasksDashboardMain.unit.ts
+++ b/src/components/templates/TasksDashboardMain.unit.ts
@@ -87,8 +87,6 @@ describe("@/components/templates/TasksDashboardMain", () => {
 			const validRoles = ["student", "teacher"];
 			const invalidRoles = ["janitor", "principal"];
 
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			// @ts-ignore
 			const { validator } = TasksDashboardMain.props.role;
 
 			validRoles.forEach((role) => {
@@ -127,15 +125,6 @@ describe("@/components/templates/TasksDashboardMain", () => {
 			});
 		});
 
-		it("should set isStudent true", () => {
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isStudent).toBe(true);
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isTeacher).toBe(false);
-		});
-
 		it("should render student's tasks dashboard", () => {
 			const studentDashboard = wrapper.findComponent(TasksDashboardStudent);
 			expect(studentDashboard.exists()).toBe(true);
@@ -149,15 +138,15 @@ describe("@/components/templates/TasksDashboardMain", () => {
 		});
 
 		it("should open tab from store state", async () => {
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.tab).toStrictEqual("open");
+			const studentDashboard = wrapper.findComponent(TasksDashboardStudent);
+			expect(studentDashboard.props("tabRoutes")).toContain("open");
 		});
 
 		it("should hide substituteFilter", async () => {
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.showSubstituteFilter).toBe(false);
+			const substituteFilterPlaceholder = wrapper.find(
+				".substitute-filter-placeholder"
+			);
+			expect(substituteFilterPlaceholder.exists()).toBe(true);
 		});
 
 		describe("with hasTasks === true", () => {
@@ -234,15 +223,6 @@ describe("@/components/templates/TasksDashboardMain", () => {
 			});
 		});
 
-		it("should set isTeacher true", () => {
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isTeacher).toBe(true);
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isStudent).toBe(false);
-		});
-
 		it("should render teacher's tasks dashboard", () => {
 			const teacherDashboard = wrapper.findComponent(TasksDashboardTeacher);
 			expect(teacherDashboard.exists()).toBe(true);
@@ -255,17 +235,16 @@ describe("@/components/templates/TasksDashboardMain", () => {
 			expect(fabComponent.exists()).toEqual(true);
 		});
 
-		it("'add task' button should have correct path", async () => {
-			const fabComponent = await wrapper.findComponent(SpeedDialMenu);
+		it("'add task' button should have correct path", () => {
+			const fabComponent = wrapper.findComponent(SpeedDialMenu);
 			expect(fabComponent.props("href")).toStrictEqual(
 				"/homework/new?returnUrl=tasks"
 			);
 		});
 
 		it("should open tab from store state", async () => {
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.tab).toStrictEqual("current");
+			const teacherDashboard = wrapper.findComponent(TasksDashboardTeacher);
+			expect(teacherDashboard.props("tabRoutes")).toContain("current");
 		});
 
 		it("should show substituteFilter on 1st tab", async () => {
@@ -279,10 +258,7 @@ describe("@/components/templates/TasksDashboardMain", () => {
 					role: "teacher",
 				},
 			});
-
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.showSubstituteFilter).toBe(true);
+			expect(wrapper.findComponent({ name: "v-switch" }).exists()).toBe(true);
 		});
 
 		it("should show substituteFilter on 2nd tab", async () => {
@@ -296,10 +272,7 @@ describe("@/components/templates/TasksDashboardMain", () => {
 					role: "teacher",
 				},
 			});
-
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.showSubstituteFilter).toBe(true);
+			expect(wrapper.findComponent({ name: "v-switch" }).exists()).toBe(true);
 		});
 
 		it("should hide substituteFilter on 3rd tab", async () => {
@@ -314,9 +287,10 @@ describe("@/components/templates/TasksDashboardMain", () => {
 				},
 			});
 
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.showSubstituteFilter).toBe(false);
+			const substituteFilterPlaceholder = wrapper.find(
+				".substitute-filter-placeholder"
+			);
+			expect(substituteFilterPlaceholder.exists()).toBe(true);
 		});
 
 		it("Should update state when tab changes", async () => {
@@ -366,7 +340,7 @@ describe("@/components/templates/TasksDashboardMain", () => {
 			});
 		});
 
-		it("should disable filter when active tab contains empty list and no course is selected", () => {
+		it("should not display filter when active tab contains empty list and no course is selected", () => {
 			tasksModuleMock = createModuleMocks(TasksModule, {
 				getStatus: "completed",
 				getOpenTasksForStudent: {
@@ -394,9 +368,9 @@ describe("@/components/templates/TasksDashboardMain", () => {
 				},
 			});
 
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isCourseFilterDisabled).toBe(true);
+			const autoComplete = wrapper.findComponent({ name: "v-autocomplete" });
+
+			expect(autoComplete.exists()).toBe(false);
 		});
 
 		it("should enable filter when active tab is not empty and no course is selected", () => {
@@ -411,7 +385,7 @@ describe("@/components/templates/TasksDashboardMain", () => {
 					submitted: [],
 					graded: [],
 				},
-				hasTasks: false,
+				hasTasks: true,
 				getActiveTab: "completed",
 
 				// make tab 2 report as not empty
@@ -427,9 +401,10 @@ describe("@/components/templates/TasksDashboardMain", () => {
 				},
 			});
 
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			//@ts-ignore
-			expect(wrapper.vm.isCourseFilterDisabled).toBe(false);
+			const autoComplete = wrapper.findComponent({ name: "v-autocomplete" });
+
+			expect(autoComplete.exists()).toBe(true);
+			expect(autoComplete.classes()).not.toContain("v-input--disabled");
 		});
 	});
 
diff --git a/src/composables/copy.ts b/src/composables/copy.ts
index fd4e42ba8c..40296226b7 100644
--- a/src/composables/copy.ts
+++ b/src/composables/copy.ts
@@ -85,7 +85,7 @@ export function useCopy(isLoadingDialogOpen: Ref<boolean>) {
 			} else {
 				openResultModal();
 			}
-		} catch (error) {
+		} catch {
 			markBackgroundCopyProcess(copyParams);
 			showTimeout();
 		} finally {
diff --git a/src/main.ts b/src/main.ts
index bd03ade578..eb7db0c02a 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -37,7 +37,7 @@ import { createPinia } from "pinia";
 import { createApp } from "vue";
 import VueDOMPurifyHTML from "vue-dompurify-html";
 
-// TODO solve without vue-mq dependency
+// TODO - solve within https://ticketsystem.dbildungscloud.de/browse/BC-8013
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore
 import { Vue3Mq } from "vue3-mq";
diff --git a/src/modules/data/board/CardRequestPool.composable.unit.ts b/src/modules/data/board/CardRequestPool.composable.unit.ts
index 642ccdec93..3bb9a20ca1 100644
--- a/src/modules/data/board/CardRequestPool.composable.unit.ts
+++ b/src/modules/data/board/CardRequestPool.composable.unit.ts
@@ -1,19 +1,11 @@
 import { BoardCardApiInterface } from "@/serverApi/v3";
 import { useSharedCardRequestPool } from "./CardRequestPool.composable";
 import * as serverApi from "@/serverApi/v3/api";
-import * as axios from "axios";
-import { initializeAxios } from "@/utils/api";
-
-jest.mock("axios");
 
 let mockReturnData: { data: { data: { id: string }[] } };
 const cardsApiFactoryMock = {
 	cardControllerGetCards: jest.fn().mockImplementation(() => mockReturnData),
 };
-initializeAxios({
-	// eslint-disable-next-line @typescript-eslint/no-unused-vars
-	request: async (path: string) => mockReturnData,
-} as axios.AxiosInstance);
 
 const setup = (...cardIds: string[]) => {
 	const returnedCards = cardIds.map((id) => ({ id }));
diff --git a/src/modules/data/board/boardActions/boardRestApi.composable.ts b/src/modules/data/board/boardActions/boardRestApi.composable.ts
index d49def94a4..aad0dec2ce 100644
--- a/src/modules/data/board/boardActions/boardRestApi.composable.ts
+++ b/src/modules/data/board/boardActions/boardRestApi.composable.ts
@@ -70,7 +70,7 @@ export const useBoardRestApi = () => {
 		try {
 			const board = await fetchBoardCall(payload.boardId);
 			boardStore.fetchBoardSuccess(board);
-		} catch (error) {
+		} catch {
 			applicationErrorModule.setError(
 				createApplicationError(
 					HttpStatusCode.NotFound,
@@ -280,8 +280,9 @@ export const useBoardRestApi = () => {
 	};
 
 	// this unused function is added to make sure that the same name is used in both socketApi and restApi
-	// eslint-disable-next-line @typescript-eslint/no-empty-function
-	const disconnectSocketRequest = (): void => {};
+	const disconnectSocketRequest = (): void => {
+		return;
+	};
 
 	return {
 		fetchBoardRequest,
diff --git a/src/modules/data/board/boardActions/boardSocketApi.composable.ts b/src/modules/data/board/boardActions/boardSocketApi.composable.ts
index a3a799211f..838c5939b5 100644
--- a/src/modules/data/board/boardActions/boardSocketApi.composable.ts
+++ b/src/modules/data/board/boardActions/boardSocketApi.composable.ts
@@ -163,7 +163,7 @@ export const useBoardSocketApi = () => {
 				payload.toColumnIndex = boardStore.getColumnIndex(payload.toColumnId);
 			}
 			emitOnSocket("move-card-request", payload);
-		} catch (err) {
+		} catch {
 			moveCardFailure();
 		}
 	};
diff --git a/src/modules/data/board/cardActions/cardRestApi.composable.ts b/src/modules/data/board/cardActions/cardRestApi.composable.ts
index 15412baf5b..c991a6bbd9 100644
--- a/src/modules/data/board/cardActions/cardRestApi.composable.ts
+++ b/src/modules/data/board/cardActions/cardRestApi.composable.ts
@@ -289,8 +289,9 @@ export const useCardRestApi = () => {
 	};
 
 	// this unused function is added to make sure that the same name is used in both socketApi and restApi
-	// eslint-disable-next-line @typescript-eslint/no-empty-function
-	const disconnectSocketRequest = (): void => {};
+	const disconnectSocketRequest = (): void => {
+		return;
+	};
 
 	return {
 		createElementRequest,
diff --git a/src/modules/data/board/cardActions/cardSocketApi.composable.ts b/src/modules/data/board/cardActions/cardSocketApi.composable.ts
index 439fb01def..66acf63364 100644
--- a/src/modules/data/board/cardActions/cardSocketApi.composable.ts
+++ b/src/modules/data/board/cardActions/cardSocketApi.composable.ts
@@ -14,7 +14,6 @@ import {
 	UpdateCardTitleRequestPayload,
 	UpdateElementRequestPayload,
 } from "./cardActionPayload";
-import { DisconnectSocketRequestPayload } from "../boardActions/boardActionPayload";
 import { useDebounceFn } from "@vueuse/core";
 import { useBoardAriaNotification } from "../ariaNotification/ariaLiveNotificationHandler";
 
diff --git a/src/modules/data/board/cardActions/cardSocketApi.composable.unit.ts b/src/modules/data/board/cardActions/cardSocketApi.composable.unit.ts
index d3321b1946..dd6387c03c 100644
--- a/src/modules/data/board/cardActions/cardSocketApi.composable.unit.ts
+++ b/src/modules/data/board/cardActions/cardSocketApi.composable.unit.ts
@@ -23,7 +23,6 @@ import {
 	DeleteCardFailurePayload,
 	DeleteCardRequestPayload,
 	DeleteElementFailurePayload,
-	DisconnectSocketRequestPayload,
 	FetchCardFailurePayload,
 	MoveElementFailurePayload,
 	UpdateCardHeightFailurePayload,
diff --git a/src/modules/feature/board-file-element/FileContentElement.vue b/src/modules/feature/board-file-element/FileContentElement.vue
index 907fddc0ab..346740f679 100644
--- a/src/modules/feature/board-file-element/FileContentElement.vue
+++ b/src/modules/feature/board-file-element/FileContentElement.vue
@@ -189,7 +189,7 @@ export default defineComponent({
 			try {
 				await upload(file, element.value.id, FileRecordParentType.BOARDNODES);
 				element.value.content.caption = " ";
-			} catch (error) {
+			} catch {
 				emit("delete:element", element.value.id);
 			}
 		};
diff --git a/src/modules/feature/board-link-element/components/LinkContentElementDisplay.vue b/src/modules/feature/board-link-element/components/LinkContentElementDisplay.vue
index 8cf95f2aa9..03837b95ca 100644
--- a/src/modules/feature/board-link-element/components/LinkContentElementDisplay.vue
+++ b/src/modules/feature/board-link-element/components/LinkContentElementDisplay.vue
@@ -58,7 +58,7 @@ const hostname: ComputedRef<string> = computed(() => {
 	try {
 		const urlObject = new URL(props.url);
 		return urlObject.hostname;
-	} catch (e) {
+	} catch {
 		return "";
 	}
 });
diff --git a/src/modules/feature/board-link-element/composables/MetaTagExtractorApi.composable.ts b/src/modules/feature/board-link-element/composables/MetaTagExtractorApi.composable.ts
index 0b74964163..7972cb35be 100644
--- a/src/modules/feature/board-link-element/composables/MetaTagExtractorApi.composable.ts
+++ b/src/modules/feature/board-link-element/composables/MetaTagExtractorApi.composable.ts
@@ -78,7 +78,7 @@ export const useMetaTagExtractorApi = () => {
 			const metaTagResult: MetaTagResult = mapMetaTagResponse(res.data);
 
 			return metaTagResult;
-		} catch (e) {
+		} catch {
 			return {
 				url: "",
 				title: "",
diff --git a/src/modules/feature/board-submission-element/composables/SubmissionContentElementState.composable.ts b/src/modules/feature/board-submission-element/composables/SubmissionContentElementState.composable.ts
index b80d8d5a83..7b3139319d 100644
--- a/src/modules/feature/board-submission-element/composables/SubmissionContentElementState.composable.ts
+++ b/src/modules/feature/board-submission-element/composables/SubmissionContentElementState.composable.ts
@@ -29,7 +29,7 @@ export const useSubmissionContentElementState = (
 
 			submissions.value = mapTeacherSubmission(submissionsResponse);
 			studentSubmission.value = mapStudentSubmission(submissionsResponse);
-		} catch (error) {
+		} catch {
 			notifyWithTemplate("notLoaded", "boardElement")();
 		} finally {
 			loading.value = false;
@@ -40,7 +40,7 @@ export const useSubmissionContentElementState = (
 		try {
 			const response = await createSubmissionItemCall(id, completed);
 			submissionsResponse.submissionItemsResponse.push(response);
-		} catch (error) {
+		} catch {
 			notifyWithTemplate("notCreated", "boardElement")();
 		}
 	};
@@ -56,7 +56,7 @@ export const useSubmissionContentElementState = (
 				completed
 			);
 			submissionsResponse.submissionItemsResponse[0].completed = completed;
-		} catch (error) {
+		} catch {
 			notifyWithTemplate("notUpdated", "boardElement")();
 		}
 	};
diff --git a/src/modules/feature/board/board/Board.vue b/src/modules/feature/board/board/Board.vue
index c40b98d2a7..d7ca3549fb 100644
--- a/src/modules/feature/board/board/Board.vue
+++ b/src/modules/feature/board/board/Board.vue
@@ -92,7 +92,7 @@
 				<ShareModal :type="ShareTokenBodyParamsParentTypeEnum.ColumnBoard" />
 				<SelectBoardLayoutDialog
 					v-model="isSelectBoardLayoutDialogOpen"
-					:current-layout="board.layout as BoardLayout"
+					:current-layout="board.layout"
 					@select="onSelectBoardLayout"
 				/>
 			</DefaultWireframe>
@@ -164,7 +164,7 @@ const props = defineProps({
 });
 
 const { t } = useI18n();
-const { resetNotifierModule, showCustomNotifier } = useBoardNotifier();
+const { resetNotifierModule } = useBoardNotifier();
 const { editModeId } = useSharedEditMode();
 const isEditMode = computed(() => editModeId.value !== undefined);
 const boardStore = useBoardStore();
diff --git a/src/modules/feature/board/shared/BoardAnyTitleInput.vue b/src/modules/feature/board/shared/BoardAnyTitleInput.vue
index 6b79fe46f2..8eddba1164 100644
--- a/src/modules/feature/board/shared/BoardAnyTitleInput.vue
+++ b/src/modules/feature/board/shared/BoardAnyTitleInput.vue
@@ -16,9 +16,7 @@
 		:tabindex="isEditMode ? 0 : -1"
 		:autofocus="internalIsFocused"
 		:maxlength="maxLength"
-		:error-messages="
-			v$.modelValue.$errors.map((e: ErrorObject) => unref(e.$message))
-		"
+		:error-messages="errorMessages"
 		@keydown.enter="onEnter"
 	/>
 
@@ -42,9 +40,7 @@
 		:tabindex="isEditMode ? 0 : -1"
 		:autofocus="internalIsFocused"
 		:maxlength="maxLength"
-		:error-messages="
-			v$.modelValue.$errors.map((e: ErrorObject) => unref(e.$message))
-		"
+		:error-messages="errorMessages"
 	/>
 </template>
 
@@ -169,6 +165,10 @@ export default defineComponent({
 			{ $lazy: true, $autoDirty: true }
 		);
 
+		const errorMessages = computed(() =>
+			v$.value.modelValue.$errors.map((e: ErrorObject) => unref(e.$message))
+		);
+
 		const hasValue = computed<boolean>(
 			() => props.value !== "" && !!props.value
 		);
@@ -215,8 +215,7 @@ export default defineComponent({
 			titleInput,
 			placeholderText,
 			cursorToEnd,
-			v$,
-			unref,
+			errorMessages,
 		};
 	},
 });
diff --git a/src/modules/feature/course-sync/EndCourseSyncDialog.vue b/src/modules/feature/course-sync/EndCourseSyncDialog.vue
index 7a204a565a..4f74ab7c3a 100644
--- a/src/modules/feature/course-sync/EndCourseSyncDialog.vue
+++ b/src/modules/feature/course-sync/EndCourseSyncDialog.vue
@@ -78,7 +78,7 @@ const onConfirm = async () => {
 		});
 
 		emit("success");
-	} catch (errorResponse) {
+	} catch {
 		notifierModule.show({
 			text: t("common.notification.error"),
 			status: "error",
diff --git a/src/modules/feature/course-sync/StartExistingCourseSyncDialog.vue b/src/modules/feature/course-sync/StartExistingCourseSyncDialog.vue
index b06fc769ab..72ed1f4696 100644
--- a/src/modules/feature/course-sync/StartExistingCourseSyncDialog.vue
+++ b/src/modules/feature/course-sync/StartExistingCourseSyncDialog.vue
@@ -150,7 +150,7 @@ const onConfirmWarning = async () => {
 		});
 
 		emit("success");
-	} catch (errorResponse) {
+	} catch {
 		notifierModule.show({
 			text: t("common.notification.error"),
 			status: "error",
diff --git a/src/modules/ui/room-details/SelectBoardLayoutDialog.vue b/src/modules/ui/room-details/SelectBoardLayoutDialog.vue
index b0686f2616..f213816e24 100644
--- a/src/modules/ui/room-details/SelectBoardLayoutDialog.vue
+++ b/src/modules/ui/room-details/SelectBoardLayoutDialog.vue
@@ -48,7 +48,8 @@ const isOpen = defineModel({
 
 defineProps({
 	currentLayout: {
-		type: String as PropType<BoardLayout>,
+		// TODO - Fix BoardLayout typing, BoardResponse used in Board.vue uses string
+		type: String as PropType<BoardLayout | string>,
 	},
 });
 
diff --git a/src/modules/util/board/shareBoardLink.composable.ts b/src/modules/util/board/shareBoardLink.composable.ts
index 4ec52756ff..1f269382e2 100644
--- a/src/modules/util/board/shareBoardLink.composable.ts
+++ b/src/modules/util/board/shareBoardLink.composable.ts
@@ -26,7 +26,7 @@ export const useShareBoardLink = () => {
 				text: t("common.words.copyLinkToClipboard.success"),
 				autoClose: true,
 			});
-		} catch (error) {
+		} catch {
 			notifierModule.show({
 				status: "error",
 				text: t("common.words.copyLinkToClipboard.failure"),
diff --git a/src/modules/util/validators/validators.ts b/src/modules/util/validators/validators.ts
index 438c0d0955..07bea22b97 100644
--- a/src/modules/util/validators/validators.ts
+++ b/src/modules/util/validators/validators.ts
@@ -27,7 +27,7 @@ export const isValidUrl: FormValidatorFn<string> = (errMsg) => (value) => {
 		if (/(^-)|(--)|(-$)/.test(urlObject.hostname)) {
 			throw new Error("IDN hyphen rules violated");
 		}
-	} catch (e) {
+	} catch {
 		return errMsg;
 	}
 	return true;
diff --git a/src/pages/LernStoreOverview.page.vue b/src/pages/LernStoreOverview.page.vue
index 9b8c72b6f4..cea36466b8 100644
--- a/src/pages/LernStoreOverview.page.vue
+++ b/src/pages/LernStoreOverview.page.vue
@@ -178,7 +178,7 @@ const onInput = async () => {
 const searchContent = useDebounceFn(async () => {
 	try {
 		await contentModule.getResources(searchQuery.value);
-	} catch (error) {
+	} catch {
 		notifierModule.show({
 			text: t("pages.content.notification.lernstoreNotAvailable"),
 			status: "error",
@@ -226,7 +226,7 @@ const addContent = async () => {
 
 	try {
 		await contentModule.addResources(query);
-	} catch (error) {
+	} catch {
 		notifierModule.show({
 			text: t("pages.content.notification.lernstoreNotAvailable"),
 			status: "error",
diff --git a/src/pages/NewsCreate.page.vue b/src/pages/NewsCreate.page.vue
index d8c1552858..271a0f9dc9 100644
--- a/src/pages/NewsCreate.page.vue
+++ b/src/pages/NewsCreate.page.vue
@@ -68,7 +68,7 @@ export default {
 						path: `/news/${this.createdNews.id}`,
 					});
 				}
-			} catch (e) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("components.organisms.FormNews.errors.create"),
 					status: "error",
diff --git a/src/pages/NewsEdit.page.vue b/src/pages/NewsEdit.page.vue
index cdefa70e0f..9207e0dbf4 100644
--- a/src/pages/NewsEdit.page.vue
+++ b/src/pages/NewsEdit.page.vue
@@ -89,7 +89,7 @@ const onSave = async (newsToPatch: Partial<PatchNewsPayload>) => {
 		showNotifier("success", "patch");
 
 		await router.push({ path: `/news/${news.value?.id}` });
-	} catch (e) {
+	} catch {
 		showNotifier("error", "patch");
 	}
 };
@@ -105,7 +105,7 @@ const onDelete = async () => {
 		showNotifier("success", "remove");
 
 		router.push({ path: "/news" });
-	} catch (e) {
+	} catch {
 		showNotifier("error", "remove");
 	}
 };
diff --git a/src/pages/administration/StudentOverview.page.vue b/src/pages/administration/StudentOverview.page.vue
index ecf2100845..0da0568f70 100644
--- a/src/pages/administration/StudentOverview.page.vue
+++ b/src/pages/administration/StudentOverview.page.vue
@@ -574,7 +574,7 @@ export default {
 						timeout: 5000,
 					});
 				}
-			} catch (error) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("pages.administration.sendMail.error", rowIds.length),
 					status: "error",
@@ -598,7 +598,7 @@ export default {
 						timeout: 5000,
 					});
 				}
-			} catch (error) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("pages.administration.printQr.error", rowIds.length),
 					status: "error",
@@ -619,7 +619,7 @@ export default {
 						timeout: 5000,
 					});
 					this.find();
-				} catch (error) {
+				} catch {
 					notifierModule.show({
 						text: this.$t("pages.administration.remove.error"),
 						status: "error",
diff --git a/src/pages/administration/TeacherOverview.page.vue b/src/pages/administration/TeacherOverview.page.vue
index a786fe0ccf..a8f3495b3d 100644
--- a/src/pages/administration/TeacherOverview.page.vue
+++ b/src/pages/administration/TeacherOverview.page.vue
@@ -514,7 +514,7 @@ export default {
 					status: "success",
 					timeout: 5000,
 				});
-			} catch (error) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("pages.administration.sendMail.error", rowIds.length),
 					status: "error",
@@ -538,7 +538,7 @@ export default {
 						timeout: 5000,
 					});
 				}
-			} catch (error) {
+			} catch {
 				notifierModule.show({
 					text: this.$t("pages.administration.printQr.error", rowIds.length),
 					status: "error",
@@ -559,7 +559,7 @@ export default {
 						timeout: 5000,
 					});
 					this.find();
-				} catch (error) {
+				} catch {
 					notifierModule.show({
 						text: this.$t("pages.administration.remove.error"),
 						status: "error",
diff --git a/src/pages/administration/student-overview.unit.js b/src/pages/administration/student-overview.unit.js
index 4006a3ff41..24f20bf8ae 100644
--- a/src/pages/administration/student-overview.unit.js
+++ b/src/pages/administration/student-overview.unit.js
@@ -148,8 +148,7 @@ describe("students/index", () => {
 	});
 
 	const mockUiState = {
-		// eslint-disable-next-line @typescript-eslint/no-unused-vars
-		get: (key, identifier) => {
+		get: (key) => {
 			const state = {
 				pagination: {},
 				sorting: {},
@@ -157,8 +156,7 @@ describe("students/index", () => {
 			};
 			return state[key];
 		},
-		// eslint-disable-next-line @typescript-eslint/no-unused-vars
-		set: (key, identifier) => ({}),
+		set: () => ({}),
 	};
 
 	const setup = () => {
diff --git a/src/pages/administration/teacher-overview.unit.js b/src/pages/administration/teacher-overview.unit.js
index 578563732d..cf0119b4e8 100644
--- a/src/pages/administration/teacher-overview.unit.js
+++ b/src/pages/administration/teacher-overview.unit.js
@@ -148,8 +148,7 @@ describe("teachers/index", () => {
 	});
 
 	const mockUiState = {
-		// eslint-disable-next-line @typescript-eslint/no-unused-vars
-		get: (key, identifier) => {
+		get: (key) => {
 			const state = {
 				pagination: {},
 				sorting: {},
@@ -157,8 +156,8 @@ describe("teachers/index", () => {
 			};
 			return state[key];
 		},
-		// eslint-disable-next-line @typescript-eslint/no-unused-vars
-		set: (key, identifier) => ({}),
+
+		set: () => ({}),
 	};
 
 	const setup = () => {
diff --git a/src/pages/course-rooms/CourseRoomDetails.page.unit.ts b/src/pages/course-rooms/CourseRoomDetails.page.unit.ts
index bf76028f8d..81e6240c91 100644
--- a/src/pages/course-rooms/CourseRoomDetails.page.unit.ts
+++ b/src/pages/course-rooms/CourseRoomDetails.page.unit.ts
@@ -15,7 +15,6 @@ import EnvConfigModule from "@/store/env-config";
 import LoadingStateModule from "@/store/loading-state";
 import NotifierModule from "@/store/notifier";
 import ShareModule from "@/store/share";
-import { initializeAxios } from "@/utils/api";
 import {
 	AUTH_MODULE_KEY,
 	COMMON_CARTRIDGE_EXPORT_MODULE_KEY,
@@ -35,7 +34,6 @@ import { createMock } from "@golevelup/ts-jest";
 import { createTestingPinia } from "@pinia/testing";
 import { SpeedDialMenu, SpeedDialMenuAction } from "@ui-speed-dial-menu";
 import { mount } from "@vue/test-utils";
-import { AxiosInstance } from "axios";
 import { VBtn } from "vuetify/lib/components/index.mjs";
 import CourseRoomDetailsPage from "./CourseRoomDetails.page.vue";
 import RoomExternalToolsOverview from "./tools/RoomExternalToolsOverview.vue";
@@ -213,13 +211,6 @@ describe("@/pages/CourseRoomDetails.page.vue", () => {
 		loadingStateModuleMock = createModuleMocks(LoadingStateModule, {
 			getIsOpen: false,
 		});
-
-		initializeAxios({
-			// eslint-disable-next-line @typescript-eslint/no-unused-vars
-			get: async (path) => {
-				return { data: [] };
-			},
-		} as AxiosInstance);
 	});
 
 	afterEach(() => {
diff --git a/src/pages/course-rooms/CourseRoomList.page.unit.ts b/src/pages/course-rooms/CourseRoomList.page.unit.ts
index 03c61e6e79..2fcecd4aa4 100644
--- a/src/pages/course-rooms/CourseRoomList.page.unit.ts
+++ b/src/pages/course-rooms/CourseRoomList.page.unit.ts
@@ -21,6 +21,8 @@ import {
 } from "@@/tests/test-utils/setup";
 import CommonCartridgeImportModule from "@/store/common-cartridge-import";
 
+jest.mock("vue-router");
+
 const getWrapper = (device = "desktop") => {
 	return mount(CourseRoomList, {
 		global: {
@@ -113,12 +115,7 @@ describe("@/pages/CourseRoomListPage", () => {
 				isArchived: true,
 				to: "/rooms/123",
 			};
-			// tslint ignored because it gives
-			// "Property 'items' does not exist on type 'Vue'" error
-			// TODO: better solution should be found
 
-			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-			// @ts-ignore
 			expect(wrapper.vm.rooms[0]).toStrictEqual(expectedItem);
 		});
 	});
@@ -130,28 +127,21 @@ describe("@/pages/CourseRoomListPage", () => {
 			return { wrapper };
 		};
 
-		describe("when data is not empty", () => {
+		describe("and data is not empty", () => {
 			it("should search elements on list", async () => {
 				const { wrapper } = setup();
-				await nextTick();
 
-				// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-				// @ts-ignore
 				expect(wrapper.vm.rooms.length).toEqual(4);
+
 				wrapper.vm.searchText = "math";
-				// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-				// @ts-ignore
 				expect(wrapper.vm.rooms.length).toEqual(1);
+
 				wrapper.vm.searchText = "";
-				// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-				// @ts-ignore
 				expect(wrapper.vm.rooms.length).toEqual(4);
+
 				wrapper.vm.searchText = "15";
-				// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-				// @ts-ignore
 				expect(wrapper.vm.rooms.length).toEqual(1);
-				// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-				// @ts-ignore
+
 				expect(wrapper.vm.rooms[0]).toEqual({
 					id: "234",
 					title: "History",
diff --git a/src/pages/h5p/H5PEditor.page.vue b/src/pages/h5p/H5PEditor.page.vue
index fe8b9af901..6d5c6a9e2e 100644
--- a/src/pages/h5p/H5PEditor.page.vue
+++ b/src/pages/h5p/H5PEditor.page.vue
@@ -93,7 +93,7 @@ export default defineComponent({
 							},
 						})
 					);
-				} catch (err) {
+				} catch {
 					notifierModule.show({
 						text: t("common.validation.invalid"),
 						status: "error",
diff --git a/src/plugins/user.d.ts b/src/plugins/user.d.ts
index ed48a5d468..fdc2b0f1b2 100644
--- a/src/plugins/user.d.ts
+++ b/src/plugins/user.d.ts
@@ -1,5 +1,3 @@
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-import Vue from "vue";
 import { MeResponse } from "@/serverApi/v3";
 
 declare module "vue/types/vue" {
diff --git a/src/router/guards/index.ts b/src/router/guards/index.ts
index 971be9db20..da72ad9546 100644
--- a/src/router/guards/index.ts
+++ b/src/router/guards/index.ts
@@ -1,4 +1,3 @@
-export * from "./multi.guard";
 export * from "./permission.guard";
 export * from "./is-authenticated.guard";
 export * from "./validate-query-parameters.guard";
diff --git a/src/router/guards/multi.guard.ts b/src/router/guards/multi.guard.ts
deleted file mode 100644
index 6c66f90ea1..0000000000
--- a/src/router/guards/multi.guard.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-import {
-	NavigationGuard,
-	NavigationGuardNext,
-	RouteLocationNormalized,
-} from "vue-router";
-
-function isUndefined(value: unknown): value is undefined {
-	return value === undefined;
-}
-
-function evaluateGuards(
-	guards: NavigationGuard[],
-	to: RouteLocationNormalized,
-	from: RouteLocationNormalized,
-	next: NavigationGuardNext
-): void {
-	const guardsLeft: NavigationGuard[] = [...guards];
-	const nextGuard: NavigationGuard | undefined = guardsLeft.shift();
-
-	if (isUndefined(nextGuard)) {
-		next();
-		return;
-	}
-
-	nextGuard(to, from, (nextArg?: unknown) => {
-		if (isUndefined(nextArg)) {
-			evaluateGuards(guardsLeft, to, from, next);
-			return;
-		}
-
-		// TODO improve typings or replace Multiguard
-		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-		// @ts-ignore
-		next(nextArg);
-	});
-}
-
-/**
- * Calls the given guards in order, passing the same arguments to each of them.
- * See https://github.com/atanas-dev/vue-router-multiguard
- *
- * @param guards The guards to call
- * @returns A guard that calls the given guards in order
- */
-export const Multiguard = function (
-	guards: NavigationGuard[]
-): NavigationGuard {
-	if (!Array.isArray(guards)) {
-		throw new Error("You must specify an array of guards");
-	}
-
-	return (
-		to: RouteLocationNormalized,
-		from: RouteLocationNormalized,
-		next: NavigationGuardNext
-	) => {
-		evaluateGuards(guards, to, from, next);
-	};
-};
diff --git a/src/router/guards/multi.guard.unit.ts b/src/router/guards/multi.guard.unit.ts
deleted file mode 100644
index 10c11db266..0000000000
--- a/src/router/guards/multi.guard.unit.ts
+++ /dev/null
@@ -1,159 +0,0 @@
-import {
-	NavigationGuard,
-	RouteLocationNormalized,
-	RouteLocationRaw,
-	RouteMeta,
-} from "vue-router";
-import { Multiguard } from "@/router/guards/multi.guard";
-
-const createRoute = (name: string, path: string): RouteLocationNormalized => {
-	return {
-		matched: [],
-		meta: {} as RouteMeta,
-		redirectedFrom: {} as RouteLocationNormalized,
-		name,
-		path,
-		fullPath: path,
-		hash: "",
-		query: {},
-		params: {},
-	};
-};
-
-describe("Multiguard", () => {
-	describe("when the argument is not an array", () => {
-		const setup = () => {
-			const guards = {} as NavigationGuard[];
-
-			return { guards };
-		};
-
-		it("throws an error", () => {
-			const { guards } = setup();
-
-			expect(() => Multiguard(guards)).toThrowError(
-				"You must specify an array of guards"
-			);
-		});
-	});
-
-	describe("when the argument is an empty array", () => {
-		const setup = () => {
-			const to: RouteLocationNormalized = createRoute("to", "/to");
-			const from: RouteLocationNormalized = createRoute("from", "/from");
-			const next = jest.fn();
-
-			const multiguard = Multiguard([]);
-
-			return { to, from, next, multiguard };
-		};
-
-		it("should call next", () => {
-			const { to, from, next, multiguard } = setup();
-
-			multiguard(to, from, next);
-
-			expect(next).toHaveBeenCalled();
-		});
-	});
-
-	describe("when a single guard is specified", () => {
-		const setup = () => {
-			const expected: RouteLocationRaw = {
-				path: "/path",
-			};
-			const to = createRoute("to", "/to");
-			const from = createRoute("from", "/from");
-			const next = jest.fn();
-
-			const multiguard = Multiguard([(to, from, next) => next(expected)]);
-
-			return { expected, to, from, next, multiguard };
-		};
-
-		it("should call next with the expected value", () => {
-			const { expected, to, from, next, multiguard } = setup();
-
-			multiguard(to, from, next);
-
-			expect(next).toHaveBeenCalledWith(expected);
-		});
-	});
-
-	describe("when all guards pass", () => {
-		const setup = () => {
-			const to = createRoute("to", "/to");
-			const from = createRoute("from", "/from");
-			const next = jest.fn();
-
-			const multiguard = Multiguard([
-				(to, from, next) => next(),
-				(to, from, next) => next(),
-			]);
-
-			return { to, from, next, multiguard };
-		};
-
-		it("should call next after passing each guard", () => {
-			const { to, from, next, multiguard } = setup();
-
-			multiguard(to, from, next);
-
-			expect(next).toHaveBeenCalled();
-		});
-	});
-
-	describe("when the first guard has a non-undefined value", () => {
-		const setup = () => {
-			const expected: RouteLocationRaw = {
-				path: "/path",
-			};
-			const to = createRoute("to", "/to");
-			const from = createRoute("from", "/from");
-			const next = jest.fn();
-
-			const multiguard = Multiguard([
-				(to, from, next) => next(expected),
-				(to, from, next) => next(),
-			]);
-
-			return { expected, to, from, next, multiguard };
-		};
-
-		it("should call next with the value of the first guard", () => {
-			const { expected, to, from, next, multiguard } = setup();
-
-			multiguard(to, from, next);
-
-			expect(next).toHaveBeenCalledWith(expected);
-		});
-	});
-
-	describe("when the first guard has a non-undefined value and should not call the second guard", () => {
-		const setup = () => {
-			const expected: RouteLocationRaw = {
-				path: "/path",
-			};
-			const to = createRoute("to", "/to");
-			const from = createRoute("from", "/from");
-			const next = jest.fn();
-
-			const multiguard = Multiguard([
-				(to, from, next) => next(expected),
-				// eslint-disable-next-line @typescript-eslint/no-unused-vars
-				(to, from, next) =>
-					fail("Second guard called when it shouldn't have been"),
-			]);
-
-			return { expected, to, from, next, multiguard };
-		};
-
-		it("should call next with the value of the first guard and not the second guard", () => {
-			const { expected, to, from, next, multiguard } = setup();
-
-			multiguard(to, from, next);
-
-			expect(next).toHaveBeenCalledWith(expected);
-		});
-	});
-});
diff --git a/src/router/routes.ts b/src/router/routes.ts
index 70b4bddaa0..acc860c11b 100644
--- a/src/router/routes.ts
+++ b/src/router/routes.ts
@@ -1,10 +1,6 @@
 import { H5PContentParentType } from "@/h5pEditorApi/v3";
 import { Layouts } from "@/layouts/types";
-import {
-	checkRoomsFeature,
-	Multiguard,
-	validateQueryParameters,
-} from "@/router/guards";
+import { checkRoomsFeature, validateQueryParameters } from "@/router/guards";
 import { createPermissionGuard } from "@/router/guards/permission.guard";
 import { ToolContextType } from "@/serverApi/v3";
 import {
@@ -245,19 +241,13 @@ export const routes: Readonly<RouteRecordRaw>[] = [
 	{
 		path: `/rooms`,
 		component: async () => (await import("@page-room")).RoomsPage,
-		beforeEnter: Multiguard([
-			checkRoomsFeature,
-			createPermissionGuard(["room_create"]),
-		]),
+		beforeEnter: [checkRoomsFeature, createPermissionGuard(["room_create"])],
 		name: "rooms",
 	},
 	{
 		path: `/rooms/new`,
 		component: async () => (await import("@page-room")).RoomCreatePage,
-		beforeEnter: Multiguard([
-			checkRoomsFeature,
-			createPermissionGuard(["room_create"]),
-		]),
+		beforeEnter: [checkRoomsFeature, createPermissionGuard(["room_create"])],
 		name: "rooms-new",
 	},
 	{
@@ -268,19 +258,13 @@ export const routes: Readonly<RouteRecordRaw>[] = [
 	{
 		path: `/rooms/:id(${REGEX_ID})/edit`,
 		component: async () => (await import("@page-room")).RoomEditPage,
-		beforeEnter: Multiguard([
-			checkRoomsFeature,
-			createPermissionGuard(["room_create"]),
-		]),
+		beforeEnter: [checkRoomsFeature, createPermissionGuard(["room_create"])],
 		name: "room-edit",
 	},
 	{
 		path: `/rooms/:id(${REGEX_ID})/members`,
 		component: async () => (await import("@page-room")).RoomMembersPage,
-		beforeEnter: Multiguard([
-			checkRoomsFeature,
-			createPermissionGuard(["room_create"]),
-		]),
+		beforeEnter: [checkRoomsFeature, createPermissionGuard(["room_create"])],
 		name: "room-members",
 	},
 	// TODO BC-7877 This redirect should be removed. Currently this route is used by the legacy client (and dof_app_deploy).
@@ -330,13 +314,13 @@ export const routes: Readonly<RouteRecordRaw>[] = [
 				"@/pages/context-external-tool/CourseContextExternalToolConfigurator.page.vue"
 			),
 		name: "context-external-tool-configuration",
-		beforeEnter: Multiguard([
+		beforeEnter: [
 			createPermissionGuard(["context_tool_admin"]),
 			validateQueryParameters({
 				contextId: isMongoId,
 				contextType: isEnum(ToolContextType),
 			}),
-		]),
+		],
 		children: [
 			{
 				path: ":configId",
@@ -357,7 +341,6 @@ export const routes: Readonly<RouteRecordRaw>[] = [
 		path: `/h5p/player/:id(${REGEX_H5P_ID})`,
 		component: () => import("@/pages/h5p/H5PPlayer.page.vue"),
 		name: "h5pPlayer",
-		//beforeEnter: createPermissionGuard(["H5P"]),
 	},
 	{
 		path: `/h5p/editor/:id(${REGEX_H5P_ID})?`,
diff --git a/src/store/common-cartridge-import.ts b/src/store/common-cartridge-import.ts
index 1cb47fe7fa..bc6ae5cae0 100644
--- a/src/store/common-cartridge-import.ts
+++ b/src/store/common-cartridge-import.ts
@@ -54,7 +54,7 @@ export default class CommonCartridgeImportModule extends VuexModule {
 		try {
 			await this.coursesApi.courseControllerImportCourse(file);
 			this.setIsSuccess(true);
-		} catch (error) {
+		} catch {
 			this.setIsSuccess(false);
 		}
 	}
diff --git a/src/store/content.ts b/src/store/content.ts
index 8dc3ecc93c..2ba6d131de 100644
--- a/src/store/content.ts
+++ b/src/store/content.ts
@@ -349,7 +349,7 @@ export default class ContentModule extends VuexModule {
 				payload.material
 			);
 			this.setNotificationModal("successModal");
-		} catch (error) {
+		} catch {
 			this.setNotificationModal("errorModal");
 		}
 	}
diff --git a/src/store/course-room-details.ts b/src/store/course-room-details.ts
index 1fd54d159e..ac969cc896 100644
--- a/src/store/course-room-details.ts
+++ b/src/store/course-room-details.ts
@@ -321,11 +321,12 @@ export default class CourseRoomDetailsModule extends VuexModule {
 			return;
 		}
 
-		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-		// @ts-ignore
-		const errorCode = error.response?.data.code;
-		if (errorCode && handledApplicationErrors.includes(errorCode))
+		const apiError = mapAxiosErrorToResponseError(error);
+
+		const errorCode = apiError.code;
+		if (errorCode && handledApplicationErrors.includes(errorCode)) {
 			applicationErrorModule.setError(createApplicationError(errorCode));
+		}
 	}
 
 	@Mutation
diff --git a/src/store/course-room-details.unit.ts b/src/store/course-room-details.unit.ts
index 056a1a25f5..3220a36481 100644
--- a/src/store/course-room-details.unit.ts
+++ b/src/store/course-room-details.unit.ts
@@ -7,13 +7,17 @@ import ApplicationErrorModule from "@/store/application-error";
 import AuthModule from "@/store/auth";
 import { initializeAxios } from "@/utils/api";
 import { meResponseFactory } from "@@/tests/test-utils";
-import { courseFactory } from "@@/tests/test-utils/factory";
+import {
+	apiResponseErrorFactory,
+	axiosErrorFactory,
+	businessErrorFactory,
+	courseFactory,
+} from "@@/tests/test-utils/factory";
 import setupStores from "@@/tests/test-utils/setupStores";
-import { AxiosError, AxiosHeaders, AxiosInstance, AxiosPromise } from "axios";
+import { AxiosError, AxiosInstance, AxiosPromise } from "axios";
 import CourseRoomDetailsModule from "./course-room-details";
 import { HttpStatusCode } from "./types/http-status-code.enum";
 import { Course } from "./types/room";
-import { ApiResponseError, ApiValidationError } from "./types/commons";
 
 type ReceivedRequests = [
 	{
@@ -50,37 +54,25 @@ const axiosInitializer = () => {
 
 axiosInitializer();
 
-const badRequestError = new AxiosError<ApiResponseError | ApiValidationError>(
-	"Bad Request",
-	"ERR_BAD_REQUEST",
-	undefined,
-	null,
-	{
-		status: 400,
-		statusText: "Bad Request",
-		headers: {},
-		config: {
-			headers: new AxiosHeaders(),
-		},
-		data: {
+const badRequestError = axiosErrorFactory.build({
+	response: {
+		data: apiResponseErrorFactory.build({
+			message: "BAD_REQUEST",
 			code: 400,
-			type: "BAD_REQUEST",
-			title: "Bad Request",
-			message: "Bad Request",
-		},
-	}
-);
+		}),
+	},
+});
 
-const businessError = {
-	statusCode: 400,
-	message: "Bad Request",
+const businessError = businessErrorFactory.build({
 	error: {
 		code: 400,
-		type: "BAD_REQUEST",
-		title: "Bad Request",
-		message: "Bad Request",
+		type: "ApiResponseError",
+		title: "ApiResponseError # 1",
+		message: "BAD_REQUEST",
 	},
-};
+	message: "BAD_REQUEST",
+	statusCode: 400,
+});
 
 describe("course-room module", () => {
 	beforeEach(() => {
@@ -578,7 +570,7 @@ describe("course-room module", () => {
 					400
 				);
 				expect(courseRoomDetailsModule.businessError.message).toStrictEqual(
-					"Bad Request"
+					"BAD_REQUEST"
 				);
 			});
 		});
@@ -694,13 +686,26 @@ describe("course-room module", () => {
 				HttpStatusCode.NotFound,
 				HttpStatusCode.RequestTimeout,
 				HttpStatusCode.InternalServerError,
-			])("should create an application-error for http-error(%p)", (code) => {
-				const setErrorSpy = jest.spyOn(applicationErrorModule, "setError");
-				const courseRoomDetailsModule = new CourseRoomDetailsModule({});
-				const errorData = { response: { data: { code } } };
-				courseRoomDetailsModule.setError(errorData);
-				expect(setErrorSpy).toHaveBeenCalled();
-			});
+			])(
+				"should create an application-error for http-error(%p)",
+				async (code) => {
+					const setErrorSpy = jest.spyOn(applicationErrorModule, "setError");
+					const courseRoomDetailsModule = new CourseRoomDetailsModule({});
+
+					const errorData = axiosErrorFactory.build({
+						response: {
+							data: apiResponseErrorFactory.build({
+								message: "FORBIDDEN",
+								code,
+							}),
+						},
+					});
+
+					courseRoomDetailsModule.setError(errorData);
+
+					expect(setErrorSpy).toHaveBeenCalled();
+				}
+			);
 		});
 
 		describe("setBusinessError", () => {
diff --git a/src/store/course-room-list.unit.ts b/src/store/course-room-list.unit.ts
index dcd1f86ad6..70da5e458a 100644
--- a/src/store/course-room-list.unit.ts
+++ b/src/store/course-room-list.unit.ts
@@ -1,37 +1,32 @@
-import { AxiosError, AxiosHeaders } from "axios";
 import * as serverApi from "../serverApi/v3/api";
 import CourseRoomListModule from "./course-room-list";
 import { AlertPayload } from "./types/alert-payload";
 import { DroppedObject, RoomsData } from "./types/rooms";
-import { ApiResponseError } from "./types/commons";
-
-const badRequestError = new AxiosError<
-	ApiResponseError | serverApi.ApiValidationError
->("Bad Request", "ERR_BAD_REQUEST", undefined, null, {
-	status: 400,
-	statusText: "Bad Request",
-	headers: {},
-	config: {
-		headers: new AxiosHeaders(),
-	},
-	data: {
-		code: 400,
-		type: "BAD_REQUEST",
-		title: "Bad Request",
-		message: "Bad Request",
+import {
+	axiosErrorFactory,
+	apiResponseErrorFactory,
+	businessErrorFactory,
+} from "@@/tests/test-utils";
+
+const badRequestError = axiosErrorFactory.build({
+	response: {
+		data: apiResponseErrorFactory.build({
+			message: "BAD_REQUEST",
+			code: 400,
+		}),
 	},
 });
 
-const businessError = {
-	statusCode: 400,
-	message: "Bad Request",
+const businessError = businessErrorFactory.build({
 	error: {
 		code: 400,
-		type: "BAD_REQUEST",
-		title: "Bad Request",
-		message: "Bad Request",
+		type: "ApiResponseError",
+		title: "ApiResponseError # 1",
+		message: "BAD_REQUEST",
 	},
-};
+	message: "BAD_REQUEST",
+	statusCode: 400,
+});
 
 const mockData: serverApi.DashboardResponse = {
 	id: "id_1",
diff --git a/src/store/courses.js b/src/store/courses.js
index 9a6d32876d..b6b0647c45 100644
--- a/src/store/courses.js
+++ b/src/store/courses.js
@@ -32,7 +32,7 @@ const coursesModule = mergeDeep(base, {
 					status: "success",
 					timeout: 5000,
 				});
-			} catch (err) {
+			} catch {
 				notifierModule.show({
 					text: unsuccesfullDeleteNotification,
 					status: "error",
diff --git a/src/store/env-config.ts b/src/store/env-config.ts
index b536b8ba82..81c4d0605b 100644
--- a/src/store/env-config.ts
+++ b/src/store/env-config.ts
@@ -204,7 +204,7 @@ export default class EnvConfigModule extends VuexModule {
 			filePathsModule.init();
 
 			this.setStatus("completed");
-		} catch (error: unknown) {
+		} catch {
 			const applicationError = createApplicationError(
 				HttpStatusCode.GatewayTimeout
 			);
diff --git a/src/store/import-users.unit.ts b/src/store/import-users.unit.ts
index 96d9f85aff..7976fe059e 100644
--- a/src/store/import-users.unit.ts
+++ b/src/store/import-users.unit.ts
@@ -5,8 +5,12 @@ import {
 	UserMatchResponseRoleNamesEnum,
 } from "@/serverApi/v3/api";
 import ImportUsersModule, { MatchedBy } from "@/store/import-users";
-import { ApiResponseError, BusinessError } from "./types/commons";
-import { AxiosError, AxiosHeaders } from "axios";
+import { BusinessError } from "./types/commons";
+import {
+	axiosErrorFactory,
+	apiResponseErrorFactory,
+	businessErrorFactory,
+} from "@@/tests/test-utils";
 
 const mockResponse = {
 	data: {
@@ -59,33 +63,25 @@ const userListTestData = {
 	],
 };
 
-const badRequestError = new AxiosError<
-	ApiResponseError | serverApi.ApiValidationError
->("Bad Request", "ERR_BAD_REQUEST", undefined, null, {
-	status: 400,
-	statusText: "Bad Request",
-	headers: {},
-	config: {
-		headers: new AxiosHeaders(),
-	},
-	data: {
-		code: 400,
-		type: "BAD_REQUEST",
-		title: "Bad Request",
-		message: "Bad Request",
+const badRequestError = axiosErrorFactory.build({
+	response: {
+		data: apiResponseErrorFactory.build({
+			message: "BAD_REQUEST",
+			code: 400,
+		}),
 	},
 });
 
-const businessError = {
-	statusCode: 400,
-	message: "Bad Request",
+const businessError = businessErrorFactory.build({
 	error: {
 		code: 400,
-		type: "BAD_REQUEST",
-		title: "Bad Request",
-		message: "Bad Request",
+		type: "ApiResponseError",
+		title: "ApiResponseError # 1",
+		message: "BAD_REQUEST",
 	},
-};
+	message: "BAD_REQUEST",
+	statusCode: 400,
+});
 
 describe("import-users store actions", () => {
 	const setup = () => {
@@ -207,7 +203,7 @@ describe("import-users store actions", () => {
 				expect(importUserModule.getTotalUnmatched).toEqual(3);
 			});
 
-			it("should handle buness error", async () => {
+			it("should handle business error", async () => {
 				const { importUserModule, spy } = setup();
 				const mockApi = {
 					importUserControllerFindAllUnmatchedUsers: jest.fn(() =>
@@ -399,7 +395,7 @@ describe("import-users store actions", () => {
 				);
 			});
 
-			it("should handle buness error", async () => {
+			it("should handle business error", async () => {
 				const { importUserModule, spy } = setup();
 				const mockApi = {
 					importUserControllerFindAllImportUsers: jest.fn(() =>
@@ -446,7 +442,7 @@ describe("import-users store actions", () => {
 				expect(importUserModule.getTotal).toEqual(3);
 			});
 
-			it("should handle buness error", async () => {
+			it("should handle business error", async () => {
 				const { importUserModule, spy } = setup();
 				const mockApi = {
 					importUserControllerFindAllImportUsers: jest.fn(() =>
@@ -493,7 +489,7 @@ describe("import-users store actions", () => {
 				expect(importUserModule.getTotalMatched).toEqual(3);
 			});
 
-			it("should handle buness error", async () => {
+			it("should handle business error", async () => {
 				const { importUserModule, spy } = setup();
 				const mockApi = {
 					importUserControllerFindAllImportUsers: jest.fn(() =>
@@ -528,7 +524,7 @@ describe("import-users store actions", () => {
 				);
 			});
 
-			it("should handle buness error", async () => {
+			it("should handle business error", async () => {
 				const { importUserModule, spy } = setup();
 				const mockApi = {
 					importUserControllerRemoveMatch: jest.fn(() =>
diff --git a/src/vue-i18n.d.ts b/src/vue-i18n.d.ts
index 8e7513a7a5..95c4f93f00 100644
--- a/src/vue-i18n.d.ts
+++ b/src/vue-i18n.d.ts
@@ -2,8 +2,6 @@
  * vue-i18n global type definitions
  */
 
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-import { DefineLocaleMessage } from "vue-i18n";
 import { MessageSchema } from "./locales/schema";
 
 declare module "vue-i18n" {
diff --git a/tests/test-utils/mock-store-module.ts b/tests/test-utils/mock-store-module.ts
index 2195f6aa55..8a20cdda0d 100644
--- a/tests/test-utils/mock-store-module.ts
+++ b/tests/test-utils/mock-store-module.ts
@@ -1,15 +1,19 @@
 import { GetterTree, ActionTree, Module as Mod, MutationTree } from "vuex";
 import { VuexModule } from "vuex-module-decorators";
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 type ConstructorOf<C> = { new (...args: any[]): C };
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 type StaticsType = Record<string, any>;
 
 const mockGetters = <M>(
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type, @typescript-eslint/no-explicit-any
 	module: Function & Mod<M, any>,
 	statics: StaticsType,
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	getters: Record<string, any>
 ) => {
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	Object.keys(module.getters as GetterTree<M, any>).forEach((key) => {
 		Object.defineProperty(statics, key, {
 			get: () => getters[key],
@@ -18,7 +22,7 @@ const mockGetters = <M>(
 };
 
 const mockMutations = <M>(
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type, @typescript-eslint/no-explicit-any
 	module: Function & Mod<M, any>,
 	statics: StaticsType
 ) => {
@@ -28,10 +32,11 @@ const mockMutations = <M>(
 };
 
 const mockActions = <M>(
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type, @typescript-eslint/no-explicit-any
 	module: Function & Mod<M, any>,
 	statics: StaticsType
 ) => {
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	Object.keys(module.actions as ActionTree<M, any>).forEach((key) => {
 		statics[key] = jest.fn();
 	});
@@ -41,7 +46,7 @@ export function createModuleMocks<M extends VuexModule>(
 	moduleClass: ConstructorOf<M>,
 	getters: Partial<M> = {}
 ): jest.Mocked<M> {
-	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-function-type, @typescript-eslint/no-explicit-any
 	const module: Function & Mod<M, any> = moduleClass;
 
 	const statics: StaticsType = {};
diff --git a/tests/test-utils/mockDataTasks.ts b/tests/test-utils/mockDataTasks.ts
index 440f818790..1dff34915b 100644
--- a/tests/test-utils/mockDataTasks.ts
+++ b/tests/test-utils/mockDataTasks.ts
@@ -1,5 +1,3 @@
-/* eslint-disable max-lines */
-
 import { Task, TaskStatus } from "@/store/types/tasks";
 
 /*
diff --git a/tests/test-utils/mountComposable.ts b/tests/test-utils/mountComposable.ts
index 38fb83ee2d..43578bcd66 100644
--- a/tests/test-utils/mountComposable.ts
+++ b/tests/test-utils/mountComposable.ts
@@ -14,7 +14,6 @@ export const mountComposable = <T>(
 	});
 
 	const wrapper = mount(TestComponent, options);
-	// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-	// @ts-ignore
+
 	return wrapper.vm.result;
 };
diff --git a/tests/unit/stubs.js b/tests/unit/stubs.js
index 8a128b8bdf..3e32418962 100644
--- a/tests/unit/stubs.js
+++ b/tests/unit/stubs.js
@@ -1,6 +1,5 @@
 const transitionStub = () => ({
 	render: function () {
-		// eslint-disable-next-line no-underscore-dangle
 		return this.$options._renderChildren;
 	},
 });