I have tried to export a short video but it is not exporting properly. I have tried to export the video multiple times and tried to make a copy of the .mlt file.
I have uploaded the log of the last attempt.
Commonly, people will observe the timecode where the export fails, then, go to that same time in their timeline and look at what filters or transitions are being applied. Try changing or removing filters at the point where the export failure occurs.
A recent post with that same error was using a .png file with an alpha channel. After removing the alpha channel, the export succeeded: