It looks like the dat files are missing or have been moved from the online database location. If you open up a dat file in the DatabaseFiles directory and it says 404 not found, then the online database file has been moved. I’ll see what i can find.
The dat files were located
https://github.com/libretro/libretro-database/tree/master/dat/[SYSTEMNAME].dat
but looks like many are gone now.
link to download Retroarch Playlist Generator?
Started getting back into Retroarch recently, and found that it still will not scan roms without exact matching CRCs. It looks like some database DATs have been restored to the original location (https://github.com/libretro/libretro-database/tree/master/dat/), so I’ll re-link my Rom Scanning Tool for other people having the same problem, as it seems to work alright. Please note that I’m probably not going to be updating it anytime soon, but if anyone wants to try it, its here: