Comment # 6 on bug 913540 from Klaus Wolf

Created attachment 622240 [details]
/var/lib/YaST2/y2log gzipped

No doubt. It would have been a help if you had given a hint where I could find
the log and how to collect it from a virtual machine that is not yet installed.

I guess you were talking about /var/log/YaST2/y2log ?