iCloud sign in unknown error occurred
This issue has not been correct even after restart. This situation began with recent upgrade.
MacBook Pro 13", macOS 10.15
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This issue has not been correct even after restart. This situation began with recent upgrade.
MacBook Pro 13", macOS 10.15
Some people have solved this by going to System Preferences/Internet Accounts, selecting an iCloud account there, and signing in. You need to repeat this for each iCloud account.
iCloud sign in unknown error occurred