diff --git a/src/MPQEditor/MPQCircleSelector.ts b/src/MPQEditor/MPQCircleSelector.ts
index 36ccb229..e2542679 100644
--- a/src/MPQEditor/MPQCircleSelector.ts
+++ b/src/MPQEditor/MPQCircleSelector.ts
@@ -37,7 +37,7 @@ export type MPQSelectionCmdOpenArgs = {
 };
 
 export type MPQVisqData = {
-  visqPath: string;
+  visqJsonData: string[];
 };
 
 export type MPQSelectionCmdCloseArgs = {
@@ -82,7 +82,7 @@ export class MPQSelectionPanel
           MPQSelectionPanel.createOrShow(
             context.extensionUri,
             args,
-            "",
+            [],
             handler
           );
         }
@@ -109,7 +109,7 @@ export class MPQSelectionPanel
           MPQSelectionPanel.createOrShow(
             context.extensionUri,
             args,
-            visqData.visqPath,
+            visqData.visqJsonData,
             handler
           );
         }
@@ -125,7 +125,7 @@ export class MPQSelectionPanel
   public static createOrShow(
     extensionUri: vscode.Uri,
     args: MPQSelectionCmdOpenArgs,
-    visqPath: string,
+    visqJsonData: string[],
     handler: MPQSelectionEvent | undefined
   ) {
     let column = args.panel.viewColumn;
@@ -159,7 +159,7 @@ export class MPQSelectionPanel
       panel,
       extensionUri,
       args,
-      visqPath,
+      visqJsonData,
       handler
     );
 
@@ -218,7 +218,7 @@ export class MPQSelectionPanel
     panel: vscode.WebviewPanel,
     extensionUri: vscode.Uri,
     args: MPQSelectionCmdOpenArgs,
-    visqPath: string,
+    visqData: string[],
     handler: MPQSelectionEvent | undefined
   ) {
     super(extensionUri, panel.webview);
@@ -230,30 +230,17 @@ export class MPQSelectionPanel
     this._modelPath = args.modelPath;
     this._mpqEventHandler = handler;
     this._lastSelected = args.names;
-    this._visqData = [];
+    this._visqData = visqData;
 
     // Listen for when the panel is disposed
     // This happens when the user closes the panel or when the panel is closed programmatically
     this._panel.onDidDispose(() => this.dispose(), null, this._disposables);
 
     this.initGraphCtrl(this._modelPath, this);
-    if (visqPath.length < 1) {
+    if (this._visqData.length < 1) {
       this.setMode("selector");
     } else {
       this.setMode("visqselector");
-      const visqUri = vscode.Uri.file(visqPath);
-      vscode.workspace.fs.readFile(visqUri).then((visqData) => {
-        try {
-          this._visqData = JSON.parse(visqData.toString());
-        } catch (error) {
-          this.onInvalidVISQData(visqPath);
-        }
-
-        // check whether _visqData pretend to be valid
-        if (!("error" in this._visqData) || !("meta" in this._visqData)) {
-          this.onInvalidVISQData(visqPath);
-        }
-      });
     }
     if (this._mpqEventHandler) {
       this._mpqEventHandler.onOpened(this._ownerPanel);
@@ -331,11 +318,4 @@ export class MPQSelectionPanel
     }
     this.setSelection(selections);
   }
-
-  private onInvalidVISQData(_visqPath: string) {
-    this._visqData = [];
-    if (this._mpqEventHandler) {
-      // TODO
-    }
-  }
 }
diff --git a/src/MPQEditor/MPQEditor.ts b/src/MPQEditor/MPQEditor.ts
index b9d74b5b..118d7489 100644
--- a/src/MPQEditor/MPQEditor.ts
+++ b/src/MPQEditor/MPQEditor.ts
@@ -666,7 +666,7 @@ export class MPQEditorProvider
       if (visqPath.length < 1) {
         this.showCircleModelGraph(document, webviewPanel);
       } else {
-        this.showVisqCircleModelGraph(visqPath, document, webviewPanel);
+        this.processVisqPath(visqPath, document, webviewPanel);
       }
     } else {
       this.closeModelGraphView(document);
@@ -677,7 +677,7 @@ export class MPQEditorProvider
    * @brief Called when it's needed to show visq data in circle-graph
    */
   private showVisqCircleModelGraph(
-    visqPath: string,
+    visqJsonData: string[],
     document: vscode.TextDocument,
     webviewPanel: vscode.WebviewPanel
   ) {
@@ -689,7 +689,7 @@ export class MPQEditorProvider
     };
 
     const visqData: MPQVisqData = {
-      visqPath: visqPath,
+      visqJsonData: visqJsonData,
     };
     vscode.commands.executeCommand(
       MPQSelectionPanel.cmdOpenVisq,
@@ -700,7 +700,7 @@ export class MPQEditorProvider
 
     webviewPanel.webview.postMessage({
       type: "VisqFileLoaded",
-      visqFile: visqPath,
+      visqFile: this._mpqDataMap[document.uri.toString()].visqPath,
     });
   }
 
@@ -719,10 +719,7 @@ export class MPQEditorProvider
       // remove invalid path
       this.removeVisqFile(document, webviewPanel);
     } else if (path.endsWith(".visq.json")) {
-      // reload visq
-      this._mpqDataMap[document.uri.toString()].visqPath = path;
-      this.closeModelGraphView(document);
-      this.showVisqCircleModelGraph(path, document, webviewPanel);
+      this.processVisqPath(path, document, webviewPanel);
     }
   }
 
@@ -741,6 +738,40 @@ export class MPQEditorProvider
     }
   }
 
+  /**
+   * @brief shows visqPath at selector if it's valid
+   */
+  private processVisqPath(
+    visqPath: string,
+    document: vscode.TextDocument,
+    webviewPanel: vscode.WebviewPanel
+  ): void {
+    const visqUri = vscode.Uri.file(visqPath);
+    vscode.workspace.fs.readFile(visqUri).then((visqData) => {
+      let visqJsonData = null;
+      let valid = true;
+      try {
+        visqJsonData = JSON.parse(visqData.toString());
+      } catch (error) {
+        valid = false;
+      }
+
+      // check whether visqData pretend to be valid
+      valid &&= "error" in visqJsonData && "meta" in visqJsonData;
+
+      if (valid) {
+        const docUri = document.uri.toString();
+        this._mpqDataMap[docUri].visqPath = visqPath;
+        // close previous view if any
+        this.closeModelGraphView(document);
+        // open new view
+        this.showVisqCircleModelGraph(visqJsonData, document, webviewPanel);
+      } else {
+        Balloon.error("Invalid visq file " + visqPath);
+      }
+    });
+  }
+
   /**
    * @brief Called when user requests to load visq file from UI
    */
@@ -759,13 +790,7 @@ export class MPQEditorProvider
     vscode.window.showOpenDialog(dialogOptions).then((fileUri) => {
       if (fileUri && fileUri[0]) {
         const visqPath = fileUri[0].fsPath.toString();
-
-        const docUri = document.uri.toString();
-        this._mpqDataMap[docUri].visqPath = visqPath;
-        // close previous view if any
-        this.closeModelGraphView(document);
-        // open new view
-        this.showVisqCircleModelGraph(visqPath, document, webviewPanel);
+        this.processVisqPath(visqPath, document, webviewPanel);
       }
     });
   }