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Briefly since downloading and installing Xcode 10 beta 5 I have not been able to get any Provisional Profiles to work. In fact, my application fails immediately with the following error message.

Command CodeSign failed with a nonzero exit code.

It appears there’s a disconnect with provisioning profiles and certificates within Xcode.

Interestingly, when I switch on the Automatically manage signing option Xcode generates certificates. However my developer Provisional Profiles can't seem to find certificates. I have updated to the latest beta versions for Mac OS, iOS, and of course Xcode.

Honestly, I have tried manually creating certificates as well as profiles with no luck. I have been trying to find a solution since downloading the beta version a few days ago.

I would greatly appreciate any feedback and or suggestions for possible solutions.

Thank you for your time.

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    Try to delete all your developer certificates from Keychain Access first, then use the Preferences -> Accounts -> View Details -> Download All approach to successfully re-sign your code once again @Dalek Commented Aug 8, 2018 at 1:40
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    Thanks for the suggestion Sharkes Monken. However, after trying every possible solution including removal of all beta software I discovered a fix. In sum the error was a result of a folder that I created named (resource). I simply removed it from my project and create new folders with my desired content. Note that I gave each folder a different name. Honestly, I’m still not sure why the folder was causing issues? Presently, I am running apps in the simulator as well as my iPhone X without any issues. Commented Aug 10, 2018 at 20:20
  • Yeah that’s how pretty weird Xcode projects can get. Honestly if it works out, well it’s a relief rather than looking into common errors and yet trying all possible solutions but doesn’t work. Commented Aug 12, 2018 at 17:43
  • I’m facing the same problem and none of the common workarounds helped me. Xcode says code object is not signed at all, but isn’t generous enough to tell me which file is affected. Commented Sep 22, 2018 at 20:56

1 Answer 1

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Hopefully this will help someone. I updated from Xcode 9 -> Xcode 10 beta 6 and received the non-zero exit code error. My fix was to go to Product -> Clean Build Folder.

After doing this all the errors went away and I was able to run my project.

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