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

If you have truly lost progress, use these platform-specific recovery steps: Can't create save data? :: NARUTO SHIPPUDEN

If the game refuses to read the existing file, you can move it to force a re-sync. If you have truly lost progress, use these

Most PC save errors stem from the game failing to detect owned DLC, which triggers a prompt to "create new save data" and potentially overwrite your progress . If you have truly lost progress