Export Media produces blank movie
I have a recording of a webinar that I have edited to add other dialog and music.
It plays fine within Premiere pro but when I export media, no matter what format I choose, the movie is blank.
The export process looks good in the preview window. I can see the slides in the presentation advance as it renders.
What I and up with is about 30 minutes of a black screen with no audio.
Macbook Pro MacOS 10.13.5
Premiere Pro CC 12.1.1 build 10
Suggestions for troubleshooting or fixes?
I have created a new project from scratch for the same content with the same result.
Other projects from the past are working.
The source material for this project is an MP4 movie (video and audio) from a GoToWebinar, along with 3 different WAV files for additional audio.
