Can't comment selection

Question

Sometimes, it seems I can\'t comment my code with the usual shortcut (command + /) under Xcode 8 Beta 4. The option is disabled in the menu (screen

Answer 1

None of the workarounds worked for me after installing xcode 8.1 beta. I finally found that moving the Xcode beta out of the applications folder into a different location (desktop is where i put mine) then running sudo usr/libexec/xpccachectl fixed the issues i was having.