Can't open my Workspace anymore

[Slomo Corey]

I just spent about 5hrs setting up a workspace and now it will not open anymore. Can anyone make some sense of this message:

Version: AEMTuner v2.9 Build 9/7/2011
Time: Saturday, October 22, 2011 10:18:08 AM
Details:
AEM.Shared.Exceptions.CUnhandledException: An Unhandled exception was found. It will be logged and execution will continue. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at 0.12.AddGaugeDisplay(13 pGaugeDisplay)
   at AEM.Displays.CDisplaySheet.LoadDisplay(CDisplay display, Boolean isCenterOnParent)
   at AEM.Displays.CDisplaySheet.LoadAllDisplays()
   at AEM.Displays.CDisplaysManager.LoadWorkspace(CWorkspace pWorkspace)
   at 0.1u.u()
   at 0.1u.d(String )
   at 0.1u.DoStartupSequence()
   at AEMTuner.CAEMTunerForm.X()
   at AEMTuner.CAEMTunerForm.5(Object , EventArgs )
   at System.Windows.Forms.Form.OnLoad(EventArgs e)
   at System.Windows.Forms.Form.OnCreateControl()
   at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
   at System.Windows.Forms.Control.CreateControl()
   at System.Windows.Forms.Control.WmShowWindow(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ContainerControl.WndProc(Message& m)
   at System.Windows.Forms.Form.WmShowWindow(Message& m)
   at System.Windows.Forms.Form.WndProc(Message& m)
   at AEMTuner.CAEMTunerForm.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)
   --- End of inner exception stack trace ---

Thanks,
Corey