I ran across this error in DVD Studio Pro today:
"Not Enough Disk Space In Target Folder"
But, the fix is surprisingly simple; basically it means that the "build" folder isn't large enough to hold the VIDEO_TS folder that DVD Studio needs to make before burning the DVD. Here's a quick way to fix it:
01) In DVD Studio Pro hit Command + , (comma) to open the prefs.
02) Goto the "Destinations" button/tab.
03) For "Show:" select "Build/Format"
04) For "Location:" select someplace that has at least 5GBs of space, preferably 10 Gigs.
05) Tap OK.