If Fix #1 didn't work, Steam might have lost track of where the game lives.
Windows 10/11 users may need to allow the game through "Controlled Folder Access" via Windows Security settings to ensure the game can read its own configuration files. Scan and Repair: For official Steam or Battle.net versions, use the built-in Verify Integrity of Game Files Scan and Repair tools to automatically redownload missing or corrupted Are you running the official Steam version modded/repacked version of the game? call of duty ghosts filesyscheck.cfg error
Call of Duty: Ghosts — filesyscheck.cfg Error Fixes & Guide If Fix #1 didn't work, Steam might have
“No, Reyes. I can’t.” Kellan raised the rifle. “And neither can you.” If Fix #1 didn't work