Burning multiple cd's in lightroom

Sorry in advance if this question has allready come up. I'm trying to burn about 8 copies of about 700 photos in lightroom 4. I've allready burned a single copy with no issues at all. Actually it was pretty simple. But as I go through the process again, it goes through prepairing the files for cd and then it tells me this action is complete. Doesn't do the burn process. What am I doing wrong?

I'm not sure what the issue is with LR burning the subsequent copies... but if I needed 8 copies... I'd create a MSI image to disk, and then simply create as many copies of the image as I needed... It's way more efficient to burn image copies of a CD than using LR (or any other software) to re-compile and burn...