i been trying to making some multi Stream dvds, 3 Episodes' Video, 6 Audio, 3 Sup. in DVD-LAB pro for some reason my complled-burn dvd freezes @ times in my player

So i am trying a different method, like making each episode with IFOedit and combining with DVD FAB's Video Manger.

But for some reason i get this error which i didn't in my dvd i used to make with IFO edit b4.... can anione explain to me please?