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：
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the identity used to sign the executable is no longer valid.解决方法
原文：http://blog.csdn.net/etmanwenhan/article/details/47656445
