final fantasy x-2 backup problem ???

[ron]

i do a dvd-copy (backup) of final fantasy x-2 with my computer with last nero burner program and the backup dont work. its not my first backup i did more than 30 dvd backup, and for the first time the backup dont work ( i burned at 2x )

i have a plastation 2 first version and i have the chip mode neo last version and i do the swap disk trick with the gameshrak 2
i use grand theft auto 3 for swap dvd and gta3 has a toc bigger than ffx2


i have a lot of game that work : suikoden 3, arc the lad...


What do you think ??

thank you