This seems to be a bug in Xcode 7.2, after several attempts and troubleshooting, the below solution worked for me.
1) Open Xcode Preference
2) Choose a team
3) Click "View Details .."
4) In the "Provisioning Profiles" section: right-click on any profile and show in Finder and delete all the Provisioning Profiles profiles in this folder.
5) In the "Profile Profiles" section. Click Download All.
6) Xcode.
7) "" " " .
. :
1) Xcode,

2) ,

3) " ..".
4) " Provisioning Profiles": Finder Provisioning .

Provisioning

5) " ". " ".

6) Xcode. ( Xcode )
7) "" " " .
, .:)
P.S: Apple Apple Bug Reporter.