> ## Documentation Index
> Fetch the complete documentation index at: https://ngrok.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Error 214

## ERR\_NGROK\_214

The request parameter `NAME` is unknown and not expected. The supported fields are: `SUPPORTED`. Check your API client implementation and review the API documentation: [https://ngrok.com/docs/api-reference/](https://ngrok.com/docs/api-reference/).

## Further help

If you're having trouble resolving this error, please reach out to [support@ngrok.com](mailto:support@ngrok.com?subject=Help%20with%20ERR_NGROK_214)