I've created countless DVD's with Encore but I'm currently experiencing a problem I can't quite figure out. When I tried to Build my project I receive the error message "...aspect ratio not supported by DVD ..." directed at 1 or more of my compressed video files. The setting I used in Compressor for my video files was pixel aspect ratio NTSC CCIR 601/DV 16:9. Any ideas where in my workflow I have a problem? Deadline looming but not ready to panic yet!