Exporting a video in twinmotion fails

I have been failing to export a video in twinmotion. What could be causing this?

Hi, for Twinmotion related question, please visit Twinmotion support site - https://twinmotionhelp.epicgames.com/s/
You can either submit a question or post on the discussion board there. Twinmotion dedicated support team will help you out!