I burned all three Star Wars movies with clonedvd and had no problems at all.
I agree with Jesterrace that it may be defective media, however to have none of them work seems unlikely in my opinion. You didn’t mention if you tried all of them and I’m only assuming that’s the case. “Just the new Star Wars set.”
Had a defective one myself the other day, tried to copy Frankenstein (new movie not original). CloneDVD stopped and gave the redundancy message so I stopped. Cleaned the disk several times and then it took. I was uncertain if it would burn without errors so I saved the files and didn’t burn. I then tried using DVDdecrypter. Froze in the same spot and even though I instructed to ignore errors it wouldn’t budge.
Went back to the rip I did with CloneDVD and the disk turned out fine.
Go figure, I thought if Decrypter couldn’t do it it just can’t be done, I was wrong.
That’s why sometimes you need to use more than one program, to tackle those stubborn ones.