I get an error and cannot enter the editor at all. Before I got locked out of the editor, I couldn't export builds either.
The main screen gets stuck on the preparing... screen
Browser Console mentions the number 500 a lot.
I can't get a screenshot of the browser console to help.
ERR_ABORTED 500
Refused to connect... something about MIME type
GET ... 500
GET ... 500
Line 1 Column 1 Syntax Error