This can happen with incompatible PKGs or corrupted files. Try:
Sony’s operating system is locked down. To run unsigned code or install game backups, the console must be "Jailbroken." This involves exploiting a vulnerability in the PS4 firmware.
: The jailbreak operates entirely in memory and is not permanent. Rebooting your console removes the modifications, and you must re-run the exploit each time you want to install or play unofficial content. Download Ps4 Pkg Games Free
PySN is a program that downloads Title Update PKGs for PlayStation 3, PlayStation 4, and PlayStation Vita directly from Sony's official servers. It can also download Firmware PUP files for all three consoles plus the PlayStation 5.
Once your PS4 is successfully jailbroken, several fundamental changes occur: This can happen with incompatible PKGs or corrupted files
Additional add-ons that map to a specific primary game ID. Retail PKGs vs. Fake PKGs (fPKGs)
For downloading files, managing storage, and running local exploit hosts if necessary. Step-by-Step Guide to Installing PKG Backups : The jailbreak operates entirely in memory and
Games installed via fPKGs often suffer from performance drops, random crashes, and save-data corruption.
Standard files from Sony’s servers. They are encrypted and can only be played if you own the license for the game on your PSN account. Fake PKGs (fPKGs):