Romset Is Unknown Fbneo Fixed 'link' -
FBNeo is updated frequently. If the emulator expects a specific file within a ZIP (like a sound chip dump) and it isn't there, it marks the set as "unknown."
Are you running this on a specific or a PC frontend like LaunchBox? FBNeo not working with "Romset is unknown" : r/RetroArch romset is unknown fbneo fixed
(clrmamepro / RomVault / ARCME)
I can provide a step-by-step guide tailored to your specific setup! FBNeo is updated frequently