Zenmap GUI crashes when I change a host comment created with a prior version.

I have saved a scan with V7.92 and added some host comments. It was possible to create new comments, change them etc. without problems.

Now I have installed V7.94, loaded the prior scan and tryed to update some of the comments.

Zenmap crashes with this message:

Version: 7.94
Traceback (most recent call last):
File "C:\Program Files (x86)\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\ScanInterface.py", line 782, in _save_comment
comment = buff.get_text(
TypeError: Gtk.TextBuffer.get_text() takes exactly 4 arguments (3 given)

OS: Win 10 Pro 21H2