@2y2son4 Read the changelog of version 6.0 RC2, the internal scrapper is still not working, it's a known bug:
https://forum.recalbox.com/topic/16941/recalbox-6-0-rc2-is-released
Use an external tool for now, I recommend ARRM:
https://forum.recalbox.com/topic/11850/arrm-another-recalbox-roms-manager