The "Alternate MAC Address" trick (For persistent errors).
Start with if you are on PC. Jump to Fix #3 (Rebuild Database) if you are on PlayStation. If none of these work, third-party save editors exist that can reconstruct a 100% save file from scratch—though that is a last resort. The "Alternate MAC Address" trick (For persistent errors)
Wait for the process to complete, restart the console normally, and check your game. How to Fix the Error on Xbox (Xbox One / Series X|S) If none of these work, third-party save editors
Or
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After deletion, start the game to see if it generates a new save data folder. You might need to restart the game from the beginning, but this usually resolves the issue. You might need to restart the game from
Sometimes, the Steam Cloud keeps your save, but the game is looking in the wrong place or has a corrupted index.