langchain-ai/langchain-google

400 Bad Request when using Claude Sonnet on GCP

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#1256 aperta il 10 ott 2025

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Descrizione

Using Claude Sonnet 4 on GCP

And using ChatAnthropicVertex from package langchain_google_vertexai

Immediately after the first subagent responds, the graph fails with following the error

Anyone know how to fix it?

anthropic.BadRequestError: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages.6.content.0.tool_result.content.0.text.index: Extra inputs are not permitted'}, 'request_id': 'req_vrtx_011CTzH5cU85qEobDpNtgbp7'}

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