Data: System. Collections. ListDictionaryInternal
InnerException:
Message: Object reference not set to an instance of an object.
Source: BatchPatch
StackTrace:    at (Object )
   at A. c9bc8c1f6b200e0197ea934a8e500f934.cb550a538974656eea8326ab39eef5795_Encrypted$(c9bc8c1f6b200e0197ea934a8e500f934 , Object , EventArgs )
   at System.Windows. Forms.Control.OnClick(EventArgs e)
   at System.Windows. Forms.Button.OnClick(EventArgs e)
   at System.Windows. Forms.Button.OnMouseUp(MouseEventArgs mevent)
   at System.Windows. Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows. Forms.Control.WndProc(Message& m)
   at System.Windows. Forms.ButtonBase.WndProc(Message& m)
   at System.Windows. Forms.Button.WndProc(Message& m)
   at System.Windows. Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
TargetSite: Void (System. Object)