Problem creating disc image in iDVD
I'm using my iMAC running High Sierra 10.13.3 and iDVD 7.1.2 and I'm having trouble getting a disc image to complete. It shows that it rendered 415 photos and 414 transitions and then freezes and goes unresponsive. Any suggestions?
iMac, macOS Sierra (10.12.3), 21.5" display