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Xcode 6.3.1 - Code object is not signed at all


After upgrading to Xcode 6.3.1, I get an error that says ERROR ITMS-90035: "Invalid Signature. Code object is not signed at all". Let’s look at what this is and how to fix it.

This new, cryptic error popped up every time I tried to submit apps to the App Store. It even popped up in old apps that were perfectly submittable before upgrading to Xcode 6.3.1.

Turns out that the problem was caused by an .sh script file in one of the external libraries used by the app. Previously, archiving apps with this file worked, but after upgrading, it stopped working.

Since this file was not needed by the app, I just removed the file reference and kept the file on disk. If you run into the same error code, I hope this will solve your problem.