BXtasy

Added to the media bin a 4.47 GB .mp4 file, already edited, clips appear on Video Track 1, audio appears on Audio Track 1, duration about 30 minutes. Export video to DVD movie disc - first screen shows estimated file size of 432 Mb. Attempt to Create anyway leads to “Burn Video DVD” screen - grayed out, and cannot burn a disc. A few days earlier, the program worked on a similar file - contents and 4.2 Gb .mp4 file, burned three discs. iMac OS Monterey 12.6.1