Launch the game and let it reach the main menu. It will say "Save data not found, creating new save." and create a brand new save file. Close the game.
Ensure the save hasn't been accidentally moved to an external drive that is currently unplugged. Launch the game and let it reach the main menu
Go to Settings > Users and Accounts > Other > Restore Licenses. This fixes issues where DLC characters or save data are "locked." Ensure the save hasn't been accidentally moved to
If you have PS Plus or Xbox Live, manually download your latest save from the cloud storage to overwrite the local corrupted one. Launch the game and let it reach the main menu
(found in C:\Program Files (x86)\Steam\userdata\[YourID]\349040 ). Delete the contents of the remote folder.
💡 Always keep a manual backup of your 349040 folder on a USB drive or a different cloud service. Storm 4 is known for occasional save corruption during the transition between the base game and the Road to Boruto expansion.
On consoles, this error is usually tied to account syncing or external storage.