Export error completing render code 3

I have edited an hour plus long video in 4k, and keep getting this error when exporting. The strange part is I always seem to get the error at a different timecode and percent encoded. I can export short segments from the timeline with no problem, but get this error when trying to export the whole project. When attempting to export 20 minute ish segments, I am often able to complete the export after 3-4 attempts where this error occured, without changing any export settings. I have also tried changing export settings, exporting in a lower quality, and switching between hardware and software encoding to no avail! Any advice would be greatly appreciated! Thanks