Bug #63508 I was attempted to move a table in a diagram when I got this error
Submitted: 30 Nov 2011 17:15 Modified: 30 Dec 2011 17:33
Reporter: Eric Kent Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Workbench: Modeling Severity:S3 (Non-critical)
Version:5.2.35 CE Rev 7915 OS:Microsoft Windows (Windows 7)
Assigned to: CPU Architecture:Any

[30 Nov 2011 17:15] Eric Kent
Description:
Exception = System.NullReferenceException
Message = Object reference not set to an instance of an object.
FullText = System.NullReferenceException: Object reference not set to an instance of an object.
   at MySQL.GUI.Workbench.Plugins.PhysicalLayerEditor.RefreshFormData()
   at MySQL.GUI.Workbench.Plugins.ObjectEditorPlugin.CallRefreshFormData()
   at MySQL.GUI.Workbench.Plugins.ObjectEditorPlugin.RefreshFormDataInvoke()
   at MySQL.Grt.RunWrappedDelegate0<void\,void\,MySQL::Grt::DelegateSlot0<void\,void>::ManagedDelegate>.native_callback()
   at boost.detail.function.void_function_invoker0<void (__cdecl*)(void),void>.invoke(function_buffer* function_ptr)
   at wb.ModelDiagramForm.handle_mouse_button(ModelDiagramForm* , MouseButton , Boolean , Int32 , Int32 , EventState )
   at MySQL.Workbench.ModelViewForm.OnMouseUp(MouseEventArgs e, Int32 X, Int32 Y, Keys keystate, MouseButtons buttons)
   at MySQL.GUI.Workbench.ModelDiagramForm.CanvasPanel_MouseUp(Object sender, MouseEventArgs e)
   at System.Windows.Forms.Control.OnMouseUp(MouseEventArgs e)
   at MySQL.Utilities.WindowsCanvasViewerPanel.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

How to repeat:
don't know
[30 Nov 2011 17:33] Valeriy Kravchuk
Please, send the output of Help > System Info menu item. Sens also some .mwb file that demonstrates the problem and detailed instructions on what to do to repeat it.
[1 Jan 2012 7:00] Bugs System
No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".