Xcode 9 invalid signature when copying to device

Hi all,


I just upgraded to Xcode 9 and am using Corona SDK to build an update to an existing app. Everything has gone well but now when I try to copy the app to my iPhone (since iTunes no longer lets you sync apps), I am getting an "executable contains an invalid signature" error. I tried deleting all my certs and provision profiles and repeated the build with a new profile but am still seeing the error. Any thoughts? The app runs fine on both the Corona and Xcode simulators - just can't get it copied to the device.


Any ideas would be most appreciated!

Jeff

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Finally solved the issue. Somehow I had removed the certificate called the Apple Worldwide Developer Relations Certification Authority from my system keychain. I followed the instructions on the following page to re-install it. Hope this is helpful to others. (https://developer.apple.com/library/content/documentation/IDEs/Conceptual/AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html#//apple_ref/doc/uid/TP40012582-CH31-SW30).

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Finally solved the issue. Somehow I had removed the certificate called the Apple Worldwide Developer Relations Certification Authority from my system keychain. I followed the instructions on the following page to re-install it. Hope this is helpful to others. (https://developer.apple.com/library/content/documentation/IDEs/Conceptual/AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html#//apple_ref/doc/uid/TP40012582-CH31-SW30).

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