no_face_detected

{
  "type": "https://docs.api.rask.ai/errors/no_face_detected",
  "title": "No face detected",
  "status": 409,
  "detail": "The face check found no face in project 6f1c2b7e.",
  "instance": "urn:uuid:7d5c0e9a-3f1b-4c2e-9a8d-6b4f2e1c0d93",
  "code": "no_face_detected",
  "retryable": false,
  "retry": "none",
  "recommendation": "fix_request",
  "hint": "Stop: lip-sync needs a visible face; tell the user.",
  "errors": []
}