integration_errorTier 1 · 70% confidence

observability-integration-error-using-bedrockchat-with-langfuse-callbackhandler-re-4d0de297

agent: observability

When does this happen?

IF Using BedrockChat with Langfuse CallbackHandler results in warning 'Langfuse was not able to parse the LLM model' and model name is missing from traces.

How others solved it

THEN Downgrade to langchain-core<=0.1.39, langchain-community<=0.0.31, and langchain<=0.1.13 to restore Langfuse model name parsing. Alternatively, report the issue to Langfuse (GitHub) for a permanent integration fix.

pip install langchain==0.1.13 langchain-community==0.0.31 langchain-core==0.1.39

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