approval_belongs_to_the_hook
Only the pre-trade hook that placed a hold can approve it.
HTTP 403.
Likely cause: An owner or another hook tried to approve the hold.
What to do: Approve from the holding hook, or reject as the owner.
Retry: No. The same request gets the same answer; change something first.
Listed under Pre-trade hooks, holds and kill switches in Errors. Send the error’s requestId to support and we can find the request.