diff --git a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/mission/MissionValidator.kt b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/mission/MissionValidator.kt
index 0d07140a1..7c2be4019 100644
--- a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/mission/MissionValidator.kt
+++ b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/mission/MissionValidator.kt
@@ -97,6 +97,13 @@ class MissionValidator : Validator<MissionEntity> {
             validateControlPlan(control)
         }
 
+        validateInfractions(control, isMissionEnded)
+    }
+
+    private fun validateInfractions(
+        control: EnvActionControlEntity,
+        isMissionEnded: Boolean,
+    ) {
         val sumOfNbTarget = control.infractions?.sumOf { infraction -> infraction.nbTarget }
         if (sumOfNbTarget != 0 && sumOfNbTarget != null && (control.actionNumberOfControls != null && sumOfNbTarget > control.actionNumberOfControls)) {
             throw BackendUsageException(
diff --git a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/reporting/ReportingValidator.kt b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/reporting/ReportingValidator.kt
index 7d73bb907..57b789f62 100644
--- a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/reporting/ReportingValidator.kt
+++ b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/reporting/ReportingValidator.kt
@@ -24,12 +24,6 @@ class ReportingValidator : Validator<ReportingEntity> {
                 "Le trigramme \"ouvert par\" doit avoir 3 lettres",
             )
         }
-        if (reporting.reportingSources.isEmpty()) {
-            throw BackendUsageException(
-                BackendUsageErrorCode.UNVALID_PROPERTY,
-                "Une source du signalement est obligatoire",
-            )
-        }
         if (reporting.validityTime == 0) {
             throw BackendUsageException(
                 BackendUsageErrorCode.UNVALID_PROPERTY,
@@ -42,13 +36,30 @@ class ReportingValidator : Validator<ReportingEntity> {
                 "Un sous-thème est obligatoire",
             )
         }
+        if (reporting.targetType === TargetTypeEnum.OTHER && reporting.description === null) {
+            throw BackendUsageException(
+                BackendUsageErrorCode.UNVALID_PROPERTY,
+                "La description de la cible est obligatoire",
+            )
+        }
+        validateReportingSources(reporting)
+    }
+
+    private fun validateReportingSources(reporting: ReportingEntity) {
+        if (reporting.reportingSources.isEmpty()) {
+            throw BackendUsageException(
+                BackendUsageErrorCode.UNVALID_PROPERTY,
+                "Une source du signalement est obligatoire",
+            )
+        }
         reporting.reportingSources.forEach { source ->
+            val errorMessage = "La source du signalement est invalide"
             when (source.sourceType) {
                 SourceTypeEnum.SEMAPHORE -> {
                     if (source.semaphoreId === null || source.controlUnitId !== null || source.sourceName !== null) {
                         throw BackendUsageException(
                             BackendUsageErrorCode.UNVALID_PROPERTY,
-                            "La source du signalement est invalide",
+                            errorMessage,
                         )
                     }
                 }
@@ -57,7 +68,7 @@ class ReportingValidator : Validator<ReportingEntity> {
                     if (source.semaphoreId !== null || source.controlUnitId === null || source.sourceName !== null) {
                         throw BackendUsageException(
                             BackendUsageErrorCode.UNVALID_PROPERTY,
-                            "La source du signalement est invalide",
+                            errorMessage,
                         )
                     }
                 }
@@ -66,18 +77,11 @@ class ReportingValidator : Validator<ReportingEntity> {
                     if (source.semaphoreId !== null || source.controlUnitId !== null || source.sourceName === null) {
                         throw BackendUsageException(
                             BackendUsageErrorCode.UNVALID_PROPERTY,
-                            "La source du signalement est invalide",
+                            errorMessage,
                         )
                     }
                 }
             }
         }
-
-        if (reporting.targetType === TargetTypeEnum.OTHER && reporting.description === null) {
-            throw BackendUsageException(
-                BackendUsageErrorCode.UNVALID_PROPERTY,
-                "La description de la cible est obligatoire",
-            )
-        }
     }
 }
diff --git a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/vigilance_area/VigilanceAreaValidator.kt b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/vigilance_area/VigilanceAreaValidator.kt
index 619806c60..247b0f7e8 100644
--- a/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/vigilance_area/VigilanceAreaValidator.kt
+++ b/backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/validators/vigilance_area/VigilanceAreaValidator.kt
@@ -19,64 +19,68 @@ class VigilanceAreaValidator : Validator<VigilanceAreaEntity> {
         logger.info("Validating vigilance area: ${vigilanceArea.id}")
 
         if (!vigilanceArea.isDraft) {
-            if (vigilanceArea.geom === null) {
+            validatePublishedVigilanceArea(vigilanceArea)
+        }
+    }
+
+    private fun validatePublishedVigilanceArea(vigilanceArea: VigilanceAreaEntity) {
+        if (vigilanceArea.geom === null) {
+            throw BackendUsageException(
+                BackendUsageErrorCode.UNVALID_PROPERTY,
+                "La géométrie est obligatoire",
+            )
+        }
+        if (vigilanceArea.comments === null) {
+            throw BackendUsageException(
+                BackendUsageErrorCode.UNVALID_PROPERTY,
+                "Un commentaire est obligatoire",
+            )
+        }
+        if (vigilanceArea.createdBy !== null && vigilanceArea.createdBy.length != NB_CHAR_MAX) {
+            throw BackendUsageException(
+                BackendUsageErrorCode.UNVALID_PROPERTY,
+                "Le trigramme \"créé par\" doit avoir 3 lettres",
+            )
+        }
+        if (vigilanceArea.themes?.isEmpty() == true) {
+            throw BackendUsageException(BackendUsageErrorCode.UNVALID_PROPERTY, "Un thème est obligatoire")
+        }
+        if (!vigilanceArea.isAtAllTimes) {
+            if (vigilanceArea.startDatePeriod === null) {
                 throw BackendUsageException(
                     BackendUsageErrorCode.UNVALID_PROPERTY,
-                    "La géométrie est obligatoire",
+                    "La date de début est obligatoire",
                 )
             }
-            if (vigilanceArea.comments === null) {
+            if (vigilanceArea.endDatePeriod === null) {
                 throw BackendUsageException(
                     BackendUsageErrorCode.UNVALID_PROPERTY,
-                    "Un commentaire est obligatoire",
+                    "La date de fin est obligatoire",
                 )
             }
-            if (vigilanceArea.createdBy !== null && vigilanceArea.createdBy.length != NB_CHAR_MAX) {
+            if (vigilanceArea.frequency === null) {
                 throw BackendUsageException(
                     BackendUsageErrorCode.UNVALID_PROPERTY,
-                    "Le trigramme \"créé par\" doit avoir 3 lettres",
+                    "La fréquence est obligatoire",
                 )
             }
-            if (vigilanceArea.themes?.isEmpty() == true) {
-                throw BackendUsageException(BackendUsageErrorCode.UNVALID_PROPERTY, "Un thème est obligatoire")
+            if (vigilanceArea.frequency !== FrequencyEnum.NONE && vigilanceArea.endingCondition === null) {
+                throw BackendUsageException(
+                    BackendUsageErrorCode.UNVALID_PROPERTY,
+                    "La condition de fin est obligatoire",
+                )
+            }
+            if (vigilanceArea.endingCondition === EndingConditionEnum.END_DATE && vigilanceArea.endingOccurrenceDate === null) {
+                throw BackendUsageException(
+                    BackendUsageErrorCode.UNVALID_PROPERTY,
+                    "La date de fin de l'occurence est obligatoire",
+                )
             }
-            if (!vigilanceArea.isAtAllTimes) {
-                if (vigilanceArea.startDatePeriod === null) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "La date de début est obligatoire",
-                    )
-                }
-                if (vigilanceArea.endDatePeriod === null) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "La date de fin est obligatoire",
-                    )
-                }
-                if (vigilanceArea.frequency === null) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "La fréquence est obligatoire",
-                    )
-                }
-                if (vigilanceArea.frequency !== FrequencyEnum.NONE && vigilanceArea.endingCondition === null) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "La condition de fin est obligatoire",
-                    )
-                }
-                if (vigilanceArea.endingCondition === EndingConditionEnum.END_DATE && vigilanceArea.endingOccurrenceDate === null) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "La date de fin de l'occurence est obligatoire",
-                    )
-                }
-                if (vigilanceArea.endingCondition === EndingConditionEnum.OCCURENCES_NUMBER && (vigilanceArea.endingOccurrencesNumber === null || vigilanceArea.endingOccurrencesNumber == 0)) {
-                    throw BackendUsageException(
-                        BackendUsageErrorCode.UNVALID_PROPERTY,
-                        "Le nombre d'occurence est obligatoire",
-                    )
-                }
+            if (vigilanceArea.endingCondition === EndingConditionEnum.OCCURENCES_NUMBER && (vigilanceArea.endingOccurrencesNumber === null || vigilanceArea.endingOccurrencesNumber == 0)) {
+                throw BackendUsageException(
+                    BackendUsageErrorCode.UNVALID_PROPERTY,
+                    "Le nombre d'occurence est obligatoire",
+                )
             }
         }
     }
diff --git a/frontend/src/features/Mission/useCases/saveMission.ts b/frontend/src/features/Mission/useCases/saveMission.ts
index 9d0cf36b6..05b16cc47 100644
--- a/frontend/src/features/Mission/useCases/saveMission.ts
+++ b/frontend/src/features/Mission/useCases/saveMission.ts
@@ -101,7 +101,7 @@ export const saveMission =
           reportings
         })
       } else if ('data' in response.error) {
-        if (response.error.data?.code === ApiErrorCode.CHILD_ALREADY_ATTACHED) {
+        if (response.error.data?.type === ApiErrorCode.CHILD_ALREADY_ATTACHED) {
           throw Error('Le signalement est déjà rattaché à une mission')
         }
         if (response.error.data?.code === ApiErrorCode.UNVALID_PROPERTY) {
diff --git a/frontend/src/features/Reportings/useCases/saveReporting.ts b/frontend/src/features/Reportings/useCases/saveReporting.ts
index d7339a6a8..2e9235d6d 100644
--- a/frontend/src/features/Reportings/useCases/saveReporting.ts
+++ b/frontend/src/features/Reportings/useCases/saveReporting.ts
@@ -69,7 +69,7 @@ export const saveReporting =
         dispatch(updateMapInteractionListeners(MapInteractionListenerEnum.NONE))
         dispatch(reportingActions.deleteSelectedReporting(values.id))
       } else if ('data' in response.error) {
-        if (response.error.data?.code === ApiErrorCode.CHILD_ALREADY_ATTACHED) {
+        if (response.error.data?.type === ApiErrorCode.CHILD_ALREADY_ATTACHED) {
           throw Error('Le signalement est déjà rattaché à une mission')
         }
         if (response.error.data?.code === ApiErrorCode.UNVALID_PROPERTY) {