I think, this has something to do with the selected font. Try to use a different font.

I think they are coming away with it because the App Store is so huge. The Apple finds them, they might be messaged to change something. What I don't understand: Why can't you customers get their own accounts?

I think, this is a bug in Xcode. Xcode Cloud worked for me in Xcode 13.3.1. I downloaded Xcode !3.4.1 and got the same message. Let's hope Xcode Cloud is important enough that this is fixed in the next version.

Thank you. I removed an unused package and changed some build settings. I don't exactly know what did the trick, but it now works again.

The solution was this: https://developer.apple.com/forums/thread/666790?answerId=691863022#691863022

Hold down the option key when clicking. This way you toggle between the directions there the editor is opened.

Which Xcode version are you using?