Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/catfish_lib/Window.py", line 256, in on_destroy
    self.settings.write()
  File "/usr/lib/python3/dist-packages/catfish_lib/CatfishSettings.py", line 77, in write
    write_file = open(self.settings_file, 'w')
PermissionError: [Errno 13] Keine Berechtigung: '/home/username/.config/catfish/catfish.rc'