I have been getting this error at random since the release of the FFXV collab event. It happens when I try to load into a zone. I can hear the sounds that one would normally hear on a successful load in but the Loading screen still shows. It stays on for an obnoxiously long time and will either load me in or will crash the whole game with the error pictured above. I have to try logging in over and over until eventually it just works and lets me in. I can log into an alt character on the same account just fine.
I did try reinstalling the game and testing different graphic settings with no luck. I also have the latest gpu driver installed.