Backup DVD to play on Ps2

Hi,

I am using Nero 6.0.0.23 and I have some problems making backups of my DVD movies.
It works for my DVD player but I have problems playing my backups on my Ps2?

I never had this problem with earlier versions of Nero.
Do I need to turn on some extra settings? Or disable some to play on a Ps2? I always use ISO/UDF like usual.

Can anyone please help me?