There may be a problem with your application or console if this error occurred on your PlayStation®5.
Please try the following to find out if this problem can be fixed:
If your system software and application are not the latest version, please update them to the latest version and see if there is any improvement.
If this error occurs after launching a game, delete the game in which the error occurs from Settings > Storage, and reinstall the game.
Start your PS5 in Safe Mode and perform "5. Rebuild Database".
If the error occurs again, reset your PS5 from Settings > System > System Software > Reset PS5, and try installing the application again. (Please make a backup of all your data in advance.)
If the above means do not work, please contact PlayStation Support.