tried to remove selected cursor in greenshot editor -> crash

Description

After selection of a region and taking a screenshot, I tried to remove the selected cursor in the editor. I pressed delete, but nothing happens. I tried several keys....and then...see crashdump below.
I had some open Greenshot windows. Maybe there was a hidden window, which wanted to "save under..." and was waiting of an OK. All greenshot windows are working fine, after closing the crashdump window :-)...

Crashdump Window Output:

Software version: 1.2.10.6-RELEASE-c2414cf0149a1475ea00520effc01b40087c225c (64 bit)
.NET runtime version: 4.0.30319.42000+
Time: 2020-07-31 17:06:44 +02:00
OS: unknown (x64) 10.0 build 18362 revision 0
GDI object count: 826
User object count: 918

Exception: System.NullReferenceException
Message: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.

Stack:
bei Greenshot.Memento.SurfaceBackgroundChangeMemento..ctor(Surface surface, Matrix matrix)
bei Greenshot.Drawing.Surface.Clear(Color newColor)
bei Greenshot.ImageEditorForm.ImageEditorFormKeyDown(Object sender, KeyEventArgs e)
bei System.Windows.Forms.Control.OnKeyDown(KeyEventArgs e)
bei System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)
bei System.Windows.Forms.Form.ProcessKeyPreview(Message& m)
bei System.Windows.Forms.Control.ProcessKeyMessage(Message& m)
bei System.Windows.Forms.Control.WmKeyChar(Message& m)
bei System.Windows.Forms.Control.WndProc(Message& m)
bei System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Configuration dump:

Environment

Windows 10

Assignee

Unassigned

Reporter

Stephan Quaritsch

Affects versions

Components

None

Priority

Minor

Labels

None
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