resend_window_expired

The webhook event is too old to resend.

HTTP 410.

Likely cause: A resend was asked for an event outside the resend window.

What to do: Reconcile from the API instead of resending.

Retry: No. The same request gets the same answer; change something first.

Listed under Webhooks in Errors. Send the error’s requestId to support and we can find the request.