Managed-by-Xcode
You are using a “Team Provisioning Profile” and it expired.
The solution: delete the profile from Organizer in Xcode, then at the top click “Refresh” (right by “Automatic Device Provisioning”). Organizer will fetch a new provisioning profile with a new expiration date.
Intuitive indeed.
解决方法：
the identity used to sign the executable is no longer valid.解决方法
原文：http://www.cnblogs.com/jzdwajue/p/6979691.html
