# ErrorCode

> **Class** in `langgraph`

📖 [View in docs](https://reference.langchain.com/python/langgraph/errors/ErrorCode)

## Signature

```python
ErrorCode()
```

## Extends

- `Enum`

## Properties

- `GRAPH_RECURSION_LIMIT`
- `INVALID_CONCURRENT_GRAPH_UPDATE`
- `INVALID_GRAPH_NODE_RETURN_VALUE`
- `MULTIPLE_SUBGRAPHS`
- `INVALID_CHAT_HISTORY`

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/d27d4b2d9895a4aa83170b4aaa135878f99c7fd6/libs/langgraph/langgraph/errors.py#L29)