Nero Start Smart

Bought a dvd camcorder (Sony DCR-DVD105). I transfered each 3" DVD-RW onto my hard drive hoping it will enable me to copy several onto a regular DVD. I tried this tonight. After adding the 1st file, when I went to add the 2nd, it tells me “A special entry already present on the target location. Original, Joliet, or ISO file names can be identical. Cannot move “Video_TS.IFO” to net location” and it continues to show this window with each file type. I guess that each 3"dvd has same file names and when more than one are added to Nero, it rejects them because of identical names. How do I overcome this? (Note-you’re talking to someone who is not a high-end computer person - explain kinda simply… - thanks.)