See the end of this message for details on invoking 
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
Autodesk.AutoCAD.Runtime.Exception: eNotApplicable
   at Autodesk.AutoCAD.Runtime.Variable.set_Value(Object value)
   at Autodesk.AutoCAD.Ribbon.RibbonPaletteSet.SetRibbonState(Boolean value)
   at Autodesk.AutoCAD.Ribbon.RibbonPaletteSet.RibbonPaletteSet_StateChanged(Object sender, PaletteSetStateEventArgs e)
   at Autodesk.AutoCAD.Windows.PaletteSetStateEventHandler.Invoke(Object sender, PaletteSetStateEventArgs e)
   at Autodesk.AutoCAD.Windows.PaletteSet.FireStateChange(StateEventIndex value)
   at Autodesk.AutoCAD.Windows.AcMgPaletteSet.OnWindowPosChanging(AcMgPaletteSet* , tagWINDOWPOS* lpwndpos)
   at Autodesk.AutoCAD.Ribbon.Win32.CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hWnd, Int32 Msg, IntPtr wParam, IntPtr lParam)
   at Autodesk.AutoCAD.Ribbon.RibbonPaletteSet.WndProc(IntPtr hWnd, Int32 Msg, IntPtr wParam, IntPtr lParam)
   at CWnd.ShowWindow(CWnd* , Int32 )
   at Autodesk.AutoCAD.Windows.Window.set_Visible(Boolean value)
   at Autodesk.AutoCAD.Windows.PaletteSet.set_Visible(Boolean value)
   at Autodesk.AutoCAD.Ribbon.RibbonPaletteSet.set_Visible(Boolean value)
   at Autodesk.AutoCAD.Ribbon.Commands.Ribbon()
   at Autodesk.AutoCAD.Runtime.CommandClass.InvokeWorker(MethodInfo mi, Object commandObject, Boolean bLispFunction)
   at Autodesk.AutoCAD.Runtime.CommandClass.InvokeWorkerWithExceptionFilter(MethodInfo mi, Object commandObject, Boolean bLispFunction)
   at Autodesk.AutoCAD.Runtime.CommandClass.Invoke(MethodInfo mi, Boolean bLispFunction)
   at Autodesk.AutoCAD.Runtime.CommandClass.CommandThunk.Invoke()