Job not cancelable

{
  "type": "https://docs.get-exo.com/errors/job_not_cancelable",
  "title": "Job not cancelable",
  "status": 409,
  "detail": "The job is not in a cancelable (pending) state.",
  "code": "job_not_cancelable",
  "requestId": "req_9f2c41ab7d0e5c18"
}