We had the same problem. Workarounds here didn't work, but this fixed it for us: Make sure Access to Certificates, Identifiers & Profiles and Access to Cloud Managed Distribution Certificate are enabled for the account on https://appstoreconnect.apple.com/access/users/.

We had the same problem. Workarounds here didn't work, but this fixed it for us: Make sure Access to Certificates, Identifiers & Profiles and Access to Cloud Managed Distribution Certificate are enabled for the account on https://appstoreconnect.apple.com/access/users/.