I have an OS X app that\'s distributed through the Mac App Store, and recently updated to Xcode 4.6.3.
When I run my regular build now, I receive:
Co
For me it was a corrupted Framework PaddleMAs which:
1. I removed from my Cocoapods File
2. Ran pod install
3. Restarted my Xcode
and it solved the problem. For some reason a corrupted framework will prevent it being signed unfortunately XCode doesn't show this error really clearly and give you a good fix suggestion. Have raised a bug with Apple to fix.