This error often indicates a corrupted file or access issue with the game data. Solutions include deleting the problematic file and reinstalling, or accessing the PS3's recovery menu to restore the file system [11†L28-L31]. For disc-based games displaying this error, attempting to launch the system in recovery mode and running file system restoration can often resolve the issue [11†L14-L18].
A file is an installation package, much like a .exe or .msi file on Windows. This was Sony’s official format for digital distribution via the PlayStation Network (PSN) . Ps3 Pkg Games Roms