[v1.9.5] TypeError - OpenNumismat\ListView.py:112

OpenNumismat: 1.9.5
OS: Windows 10 (10.0.19045)
Python: 3.11.6 (64bit)
Qt: 6.5.3
Locale: de

Traceback (most recent call last):
File "OpenNumismat\PageView.py", line 747, in modelChanged
File "OpenNumismat\ListView.py", line 760, in modelChanged
File "OpenNumismat\ListView.py", line 112, in modelChanged
TypeError: %d format: a real number is required, not NoneType