changed_since

{
  "type": "https://docs.alura.io/errors/changed_since",
  "title": "Listing changed since",
  "status": 409,
  "code": "changed_since",
  "detail": "Listing changed since",
  "suggestion": "The listing on Etsy no longer holds what this change set (`changed` names the fields), so reverting it could destroy a later edit. Nothing was written. Look at the listing, then make the edit you want with update.",
  "retryable": false,
  "request_id": "req_01JQ5W3H8M2N4P6R8T0V2X4Z6B"
}