email_notifications_unavailable
Status page: email updates are not available yet.
HTTP 503.
Likely cause: Email updates aren’t switched on yet.
What to do: Follow the RSS, Atom or JSON feed instead; the message has their URLs.
Retry: No. The same request gets the same answer; change something first.
Listed under Status page API in Errors. Send the error’s requestId to support and we can find the request.