To clarify, after following tutorials on how to fix the error, I: removed duplicates in Keychain from expired certs (wasn't a problem four weeks ago, weeks-post expiration)
regenerated profiles, then certs and profiles again in the web interface
built with cleaned derived data each time
removed all certs online and in keychain, restarted the laptop and rebuilt in Xcode's managing signing certificates
manually specified signing / provisioning profiles in the app and app extension (that worked in Xcode, failed in Archive/Upload
What am I missing?
Topic:
App Store Distribution & Marketing
SubTopic:
App Store Connect
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