In Xcode4, the new interface builder says “no selection”

Question

I am using the xcode 4.02 for iPhone programming. In the new interface builder, when I click a button (or any other GUI-element) and go to the \"attributes inspector\" it says \

Answer 1

I just had to close the assistant editor and the debug area and then it magically showed up. If you don't have the assistant editor open then all you need to do is open it, then close it again. That should fix it too.

If you don't know what the assistant editor is I have highlighted it in red:

Xcode 7.2