source_language_not_supported

{
  "type": "https://docs.api.rask.ai/errors/source_language_not_supported",
  "title": "Source language not supported",
  "status": 422,
  "detail": "The source language is not supported.",
  "instance": "urn:uuid:7d5c0e9a-3f1b-4c2e-9a8d-6b4f2e1c0d93",
  "code": "source_language_not_supported",
  "retryable": false,
  "retry": "none",
  "recommendation": "fix_request",
  "hint": "Pick a code from GET /v3/languages?capability=transcription.",
  "errors": [
    {
      "pointer": "/source_language",
      "code": "unsupported",
      "detail": "Unknown source language."
    }
  ]
}