Resolve Message Could Not Be Sent in Messages on Mac - VicPhanDevOps/mac GitHub Wiki

• The following instructions show you how to resolve when you receive this error when trying to send a message in Messages. Select “OK.”
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• Expand “Message” menu and select “Preferences…”
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• Select “iMessage” tab and unselect the “Enable this account” checkbox.
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• Reselect the “Enable this account.”
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• Select the close button.
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• Send some test messages and you will be able to send messages again like normal.
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