Enter the "Junior High Lunch Room" mentality: OOOOOOOOOOOOOOOOOOOOOOo!!! he said what?!?! YO MAMA!!! OOOOOOOOOOOOOOOOOOOOO (chant) FIGHT! FIGHT! FIGHT!
May have to do with the Blank Media. Stick to brand names. Recently had a brand that would not work with the new Denon 4000's (five units), it was the actual media itself. It happens. Try burning 2 copies of same disc, if it happens with BOTH, you know where the problem lies.