the text in the error message in the screenshot means:
The object reference was not set to an object instance.
"bei" means where (at which variables) this happens.
Is this a .NET error? Cause .NET crashed, too - as to see in the Windows event logs.
Attached are again the log files and the sysinfo.
From Babak Moaed-Zadeh @ 27 Sep 2021 13:09