Adding to the pile, same problem here!
joshConfigur
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Check your App ID Configuration under 'Certificates, Identifiers & Profiles' in your Developer account.
If you have anything checked that you're not actually using then you need to uncheck it or configure it correctly. In my case I had iCloud checked but didn't have a container attached.
Using Expo I had to clear out my provisioning profile and rebuild as well.
Hope that helps!
I'm using Expo to build my app so can't remove keys as suggested. Is there any other solution?
It seems crazy to make such a breaking change without warning.