sony playback problem

[Clixo]

i am using trilights full dvd backups guides to make my backups, but i found a problem not related to the method but to the paluback in sony standalone, i am burning all my copys in princo dvd-r and what happens is that if i use a full backup of the dvd i get no disk information but if i use any other brand player it plays ok , the sony is compatible to dvd-r because if i use dvds backed up only with the main movie ( used dvd2dvd-r and ifoedit ) i can play them. my burner is a sony dru500.

any ideas ?