@TheyWereSweats if this happens again could you also zip and send me your URC and UEFN logs? You can find them here (C:\Users\USERNAME\AppData\Local\UnrealEditorFortnite\Saved\Logs), and you can send them to me here or in discord at epic_garren.
I was unable to do the work around because my system wouldn’t let me move the .urc folder because it was in use. Even after I killed the urc process with a command.
I was able to get back in after restarting my system