I spent about three hours trying to figure out why apps scripts were breaking and refusing to open the editor until finally finding a helpful blog post: logged

I spent about three hours trying to figure out why apps scripts were breaking and refusing to open the editor until finally finding a helpful blog post: logged into multiple accounts? You may have trouble with apps scripting-something I had come to rely on with Sheets. I wouldn't call it 'infuriating', but it's something that I can't figure out "how does this of all things break this of all things?"