This almost always means the package file download was interrupted or became corrupted during transfer. Delete the file from your USB, re-download the PKG file, and transfer it again.
To install DLC on a jailbroken or CFW (Custom Firmware) PS3, users rely on (PlayStation PacKaGe). A “full” DLC PKG file typically means one of two things: ps3 dlc pkg files full
When a game’s DLC is delisted (e.g., Marvel vs. Capcom: Origins or Scott Pilgrim vs. The World: The Game ), the only way to access that DLC on original hardware is via “full” PKG archives. Preservation communities argue this is fair use for abandoned software. This almost always means the package file download