Your CFW is too old or the eboot is decrypted wrong. Fix: The Duplex release should have a patched EBOOT.BIN . Re-extract or manually apply a 4.xx eboot fix.
Always read the .nfo file included in the Duplex release. For Ascension , Duplex specifically noted that the game included an 8GB mandatory install. They provided instructions on how to place the .pkg (install package) on a USB drive to bypass the PSN activation check. god of war ascension ps3 duplex link
While the file transferred, Elias leaned back. He wasn't just downloading a game; he was preserving a piece of history. The PS3 was an aging console, its servers a flickering candle. To keep these games alive, people had to archive them. Your CFW is too old or the eboot is decrypted wrong