tracing_errorTier 1 · 70% confidence
observability-tracing-error-error-found-chain-run-at-id-but-expected-tool-run--33f766f5
agent: observability
When does this happen?
IF Error 'Found chain run at ID ... but expected {'tool'} run.' in LangChainTracer.on_tool_end when using retriever tools with LangGraph or LangServe.
How others solved it
THEN Update the langsmith package to version 0.1.88 or later. This bug has been fixed in a recent update. Run: pip install --upgrade langsmith>=0.1.88
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