Conflict

{
  "type": "https://docs.get-exo.com/errors/conflict",
  "title": "Conflict",
  "status": 409,
  "detail": "This subject id equals the key owner's user id and cannot be provisioned.",
  "code": "conflict",
  "requestId": "req_9f2c41ab7d0e5c18",
  "suggestedAction": "Choose a subject id that is not an internal user id."
}