2016-01-09, 15:38
2016-01-10, 01:58
- In Xcode, go to Preferences --> Accounts --> View Details
- Press the refresh button in the lower left corner (called Download all in Xcode 7)
Sometimes it may also help to delete invalid provisioning profiles: right-click -> move to trash
Don't worry about the profiles, you can re-download them if you need to