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

# 错误

> 本页面包含使用LangChain和LangGraph构建时可能遇到的常见错误及解决指南。

本页面包含使用LangChain和LangGraph构建时可能遇到的常见错误及解决指南。

当这些错误在代码中被抛出时，它们将具有`lc_error_code`属性对应的以下代码之一。

| 错误代码 |
| - |
| [GRAPH\_RECURSION\_LIMIT](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/GRAPH_RECURSION_LIMIT.md) |
| [INVALID\_CHAT\_HISTORY](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/INVALID_CHAT_HISTORY.md) |
| [INVALID\_CONCURRENT\_GRAPH\_UPDATE](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/INVALID_CONCURRENT_GRAPH_UPDATE.md) |
| [INVALID\_GRAPH\_NODE\_RETURN\_VALUE](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/INVALID_GRAPH_NODE_RETURN_VALUE.md) |
| [INVALID\_PROMPT\_INPUT](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/INVALID_PROMPT_INPUT.md) |
| [INVALID\_TOOL\_RESULTS](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/INVALID_TOOL_RESULTS.md) |
| [MESSAGE\_COERCION\_FAILURE](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/MESSAGE_COERCION_FAILURE.md) |
| [MISSING\_CHECKPOINTER](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/MISSING_CHECKPOINTER.md) |
| [MODEL\_AUTHENTICATION](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/MODEL_AUTHENTICATION.md) |
| [MODEL\_NOT\_FOUND](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/MODEL_NOT_FOUND.md) |
| [MODEL\_RATE\_LIMIT](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/MODEL_RATE_LIMIT.md) |
| [MULTIPLE\_SUBGRAPHS](https://langchain-docs-zh.mintlify.site/langchain/oss/langgraph/errors/MULTIPLE_SUBGRAPHS.md) |
| [OUTPUT\_PARSING\_FAILURE](https://langchain-docs-zh.mintlify.site/langchain/oss/langchain/errors/OUTPUT_PARSING_FAILURE.md) |

***

> 官方原文：[src/oss/common-errors.mdx](https://github.com/langchain-ai/docs/blob/main/src/oss/common-errors.mdx) · 非官方翻译，译文由 AI 生成，以英文原文为准。


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