so i have psp2000 with the softwar 5.5 gen-d (full), i downloaded the game ts: the oath in felghana recently onto my memory card, for some reason it say it cannot find system data on current storage data for some reason, it also like that for some games before i download and i can't save now. What do i do? i have a sandisk 8gb memory card with 3gb free space and it magic gate supported.