incident_not_closed

Status page: a postmortem can only be written once the incident is resolved.

HTTP 409.

Likely cause: The incident is still open.

What to do: Resolve the incident first, then write the postmortem.

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.