Crashing when back Undo Command after Save Picture

[kibernetics]

Issue possible when:

• 1. Open picture
  2. Resizing from big to small
  3. Add watermark
  4. Save As -> Save
  5. Command Undo, 2 times
  6. Select area for crop
  7. Command Crop - in this time app will crash.

x32 Windows7

[xnview]

Could you send me sample to test, i can't reproduce...