After installing Xcode 7 I can't build and run projects anymore as document fails to open

Question

EDIT: This question refers to teh pre-release version of Xcode 7, hence it may not be relevant if you are running the currently released version as some issues may have been

Answer 1

Another things I would check it's what command line you are using.


I had to use a different version and I changed them with :


sudo xcode-select --switch /Applications/Xcode8.app/Contents/Developer/

( You can also change it in the XCode/Preferences/Location )


I think my problem was that I was using the version 8.1


You can see the comand line you are using with:


xcode-select -p