409
The request could not be completed due to a conflict with the current state of the resource. The resource exists; however, the action could not be taken. The response MUST contain contain a description of the conflict.
Example response
{
"type": "https://developer.nexmo.com/api-errors#conflict",
"title": "Conflict",
"detail": "This resource cannot be updated once the job has started running",
"instance": "797a8f199c45014ab7b08bfe9cc1c12c"
}