note_too_long
The note given when cancelling is longer than 500 characters. Nothing was cancelled.
HTTP 400. Nothing reached the broker.
Likely cause: A long note pasted into the optional box.
What to do: Shorten the note to 500 characters or less, or leave it out.
Retry: No. The same request gets the same answer; change something first.
Listed under Billing, slots and dedicated IPs in Errors. Send the error’s requestId to support and we can find the request.