lc_error_code property corresponding to one of the below codes when they are thrown in code.
GRAPH_RECURSION_LIMITINVALID_CHAT_HISTORYINVALID_CONCURRENT_GRAPH_UPDATEINVALID_GRAPH_NODE_RETURN_VALUEINVALID_PROMPT_INPUTINVALID_TOOL_RESULTSMESSAGE_COERCION_FAILUREMISSING_CHECKPOINTERMODEL_AUTHENTICATIONMODEL_NOT_FOUNDMODEL_RATE_LIMITMULTIPLE_SUBGRAPHSOUTPUT_PARSING_FAILURE
Connect these docs programmatically to Claude, VSCode, and more via MCP for real-time answers.