DVD burner error nero burning one dvd from multiple camcorder dvd's ripped to HDD

I am trying to burn 3 camcorder dvd’s i ripped to my HDD to a single 4.7gb dvd
i’ve wasted 3 dvd’s 2 before updating nero and one after. I didn’t update nerovision express 2 to 3 but i thought that was like a media player…

i attched the error

any idea?

double thread - closed it