Appflow build for iOS error

I last run a build for iOS in September 2025 successfully. Using the same certificate and provisioning profile, I now get an error on build as follows: Signing for “Cordova_Cordova” requires a development team. Select a development team in the Signing & Capabilities editor. (in target ‘Cordova_Cordova’ from project ‘Cordova’)”

Can you help me in understanding what has changed.

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I have the same problem. Have you found a solution?

I used ChatGPT to try and get an answer. It would appear my problem is due to me using Windows to generate the .P12 file (openSSL) and not XCode. According to AI, Appflow have updated things their end and using openSSL no longer works:

:red_circle: The Development Team is no longer being inferred

Appflow used to auto-detect the Team ID from the certificate.
Recently, builds are stricter and now require the Development Team to be explicitly set.

Apparently, this can only be done using XCode on a Mac.

The iOS build error happens because Appflow no longer infers the development team from the certificate. Using a .p12 generated with OpenSSL on Windows no longer works. You must open the project in Xcode on a Mac and explicitly select your development team in the Signing & Capabilities settings before building.