Xcode Cloud builds fail at the export archive step. The critical log shows: Account Session Proxy Provider: Unable to authenticate with App Store Connect Error Domain=DVTServicesSessionProviderCredentialITunesAuthenticationContextError Code=1 (null) And in DVTITunesSoftwareService.log: App Store Connect response failed with unknown failure; response (null); error (null) error: DVTServicesSessionProviderCredentialITunesAuthenticationContextError.proxy Environment: Xcode Cloud, iOS app, team type Individual (S43L28SVX2) What I have ruled out: Regenerated all DISTRIBUTION_MANAGED certificates (per thread 744683) — portal API is reachable, certs issued successfully Removed an obsolete App Groups entitlement that was causing a secondary error — that error is now gone All agreements accepted, no pending legal items Failure persists across multiple builds with identical symptoms The developer portal API responds correctly. The failure is isolated to the App Store Connect store configuration endpoint specifically, wh
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