Naruto Shippuden Ultimate Ninja Storm 4 Save Data Does Not Exist Fixed -

Look for files named SYSTEM.DAT or similar. If you see a file with a very recent date (today) and an older one, the recent one is the empty file.

If the interface fix fails, your game may be structurally locked from reading or writing new data. You can manually isolate your save file to prevent the game from wiping your 100% completion progress. the game completely. Look for files named SYSTEM

Steam to let it download the alternative client architecture. Launch the game to check your save state. Method 2: Back Up and Reset the Local Directory You can manually isolate your save file to

If you use Microsoft OneDrive, it often hijacks your Documents folder automatically. UNS4 tries to save to a local path, but OneDrive redirects it to the cloud. If OneDrive is offline or full, the save fails. Launch the game to check your save state

Scroll down until you find a line that mentions SteamID or AccountId .

Steam Cloud failed to sync properly, or the local data was deleted before it could back up.

Apply Fix 1 first (check correct folder and rename existing save), then Fix 2 (Steam Cloud reset). These two methods resolve the issue for the vast majority of players.