diff --git a/packages/mindplot/src/components/DesignerBuilder.ts b/packages/mindplot/src/components/DesignerBuilder.ts
index 3fd6d848..d832ce17 100644
--- a/packages/mindplot/src/components/DesignerBuilder.ts
+++ b/packages/mindplot/src/components/DesignerBuilder.ts
@@ -65,7 +65,7 @@ export function buildDesigner(options: DesignerOptions): Designer {
       $notifyModal($msg('UNEXPECTED_ERROR_LOADING'));
     }
   };
-  window.onerror = onerrorFn;
+  // window.onerror = onerrorFn;
 
   // Configure default persistence manager ...
   const persistence = options.persistenceManager;