Error troubleshooting

This page contains guides around resolving common errors you may find while building with LangGraph. Errors referenced below will have an lc_error_code property corresponding to one of the below codes when they are thrown in code.

• GRAPH_RECURSION_LIMIT
• INVALID_CONCURRENT_GRAPH_UPDATE
• INVALID_GRAPH_NODE_RETURN_VALUE
• MULTIPLE_SUBGRAPHS
• INVALID_CHAT_HISTORY

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