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MacOS publishing, unable to sign app

Hello all,

Trying to publish an App to the macOS App Store, I have an valid and in-date Mac App Distribution, Mac Development certificates installed plus the provisioning profiles for both and they are unique and used in the GameSalad Publish Portfolio. I have deleted and reinstalled all the above. They do exist in X-Code and I've verified that they do.

I get he following error and I'm trying to figure out what I am doing wrong.


  • pHghostpHghost London, UKPosts: 2,301Member

    Do you have the certificate installed in your Keychain? Provisioning Profiles in Xcode is just one half of the equation.

  • lukejnrlukejnr Posts: 63Member

    Thanks for the reply.

    Yes I have certificates installed in my Keychain and the Provisioning Profiles installed in Xcode.

  • AlchimiaStudiosAlchimiaStudios Posts: 1,025Member, PRO

    Do you have the correct WWDR cert installed too? Usually see this error when either WWDR cert is missing or duplicate certs exist somehow.

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  • lukejnrlukejnr Posts: 63Member

    I'll take a look at WWDR cert, will need to Google that. My iOS apps build and sign without any problems.

  • HymloeHymloe Posts: 1,651Member

    I don't know why they make this stuff so hard.

    Having trouble signing my MacOS app as well. Bit of a mystery how all these things are meant to plug together!

    I struggle every time, and I've been doing it on and off for years.

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