# FireworksAuthenticationError

> **Class** in `langchain_fireworks`

📖 [View in docs](https://reference.langchain.com/python/langchain-fireworks/chat_models/FireworksAuthenticationError)

Fireworks authentication error classified as a LangChain model error.

## Signature

```python
FireworksAuthenticationError()
```

## Extends

- `AuthenticationError`
- `ModelAuthenticationError`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/38682b8f96300e68064ab30b3812db574ccc6cc8/libs/partners/fireworks/langchain_fireworks/chat_models.py#L710)