High. Instead of manually transferring individual .rap files to a USB drive and using a plugin like ReactPSN, users simply install one large PKG file. This automatically populates the exdata folder on the PS3's internal HDD.
Understanding the type of content helps determine the fix: licencias ps3 pkg
This is the digital "key" or license. Without it, your PS3 will prompt you to "renew the license in PlayStation Store" when you try to launch the game. licencias ps3 pkg