Retrospective record problem in Cubase 12 Pro

I played a piano (Kontakt: Alicia’s Keys + Raum + Replika XT) more than 3 minutes, but Retrospective Record stores first half of minute or less. This occurred many times since C12 installed.
Windows 10 Pro here.

You didn’t mention the most important thing – what is the buffer size?

I didn’t mention because it’s not important, because after I clear the buffer, it records everything as expected. So nothing to do with buffer. This happens often before first use of retrospective record right after startup.

Configuration was coppied from C11, so the buffer size is the same and C11 don’t have thiss issue.