For me worked this procedure:
Go to Signing & Capabilities
Add a random Keychain Sharing
Remove the Keychain Sharing
Clean Project
Build
Hope it helps
PaoloMastinu
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution