how to solve failures in live recording

I create a GA4 track. "
The input routing on ‘01. Groove Agent - Kit 1’
Instrument on ‘Groove Agent’
Then record live by pushing the Cubase button. Everything looks fine, until I play the play button in the cubase transport bar. Lots of fills and data I didn’t record.
Do I have to change something in global, or do I have to changes other settings??? :confused:
Thanks for your help,
Big Bear