Hi @jamieclarke I am using nvidia studio 561.09 driver ... View more

I have the same problem, but after some testing I noticed a pattern. All machines that had an Nvidia RTX 4070 had the same problem, in the same export location. I was able to export normally and without errors when rendering on a computer with an RTX 3060. I don't know if there is any correlation with the problem, but it was the way I found to get around the error. The same error occurred in 5 other MFX h264 projects from Sony fx6. I tested on 5 machines with RTX 4070 and they all had the same problem when rendering. Example of the error: ... View more