V. 3.10 and 3.14: makepy.py ValueError: invalid literal for int() with base 16: '0.0.0'

A very first hello, and many thanks for all your efforts! Just starting makepy.py without any paramters, like MyFullPath\python.exe MyFullPath\makepy.py results to ValueError: invalid literal for int() with base 16: ‘0.0.0’ Any hints are highly appreciated! PythonFox