Naruto Shippuden Ultimate Ninja Storm 4 Save Data Does Not Exist — Fixed Upd
If you buy DLC from a different region than your base game, the save file sometimes refuses to "handshake" with the software.
If none of the above solutions work, you may need to re-install the game. If you buy DLC from a different region
: Copy the STORM4.S file to your desktop as a backup. If you buy DLC from a different region
Temporarily disable your antivirus or add an exception for the NSUNS4.exe and the Steam/userdata folder. If you buy DLC from a different region