I was on my scecond back up with my new 3520A when I recived this Error from Nero.I was using Shrink to back up a Concert DVD with all the default settings in Shrink.
2:47:17 PM #39 Text 0 File DVDR.cpp, Line 5061
Drive: NEC DVDRW ND-3520A
Book Type request [NEC]: DVD-ROM
Book Type setting not supported for the loaded disc type
Changing the Book Type was finished with error, return code -4
2:47:17 PM #40 Phase 38 File APIProgress.cpp, Line 276
Burn process failed at 2x (2,770 KB/s)
Now I have an LG GSA-4163B that works perfectly in my other rig.In fact I just backed up the previous project in it.