Render progress jumps up and then PP crashes

So I've been trying to fix this for about an hour, looking through google and youtube. Whenever I try and render this specific project it immediately jumps to either 58% or 68% on "rendering required audio files" and then the program crashes and asks me to send a crash report.

I've tried deleting the media cache, restarting my PC, making a new project and copying my old project across, resetting the preferences but nothing works.

Help!