Make sure the frame still exists in the expand-collapse handler. It may have been invalidated since the view was last updated.

Author: p01

src/resource-manager/resource_service.js

@@ -99,9 +99,15 @@ cls.ResourceManagerService = function(view)
     var frameID = target.getAttribute('data-frame-id');
     var data = this._context.frames[ frameID ];
 
+    if (!data)
+      return;
+
     var groupName = target.getAttribute('data-resource-group');
     if (groupName){ data = data.groups[ groupName ]; }
 
+    if (!data)
+      return;
+
     data.closed = !data.closed;
     if (data.closed)
     {