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fix(gemini): gemini-3-pro-preview function call is missing a thought_signature in functionCall parts. #2088
Closed as not planned
Description
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Dify version
v1.9.1
Plugin version
0.6.0
Cloud or Self Hosted
Self Hosted (Docker)
Steps to reproduce
✔️ Error log
Run failed: Failed to transform agent message: req_id: b70298d58e PluginInvokeError: {"args":{},"error_type":"Exception","message":"read llm model failed: request failed: [google] Error: req_id: f1c9eb12f8 PluginInvokeError: {\"args\":{},\"error_type\":\"ClientError\",\"message\":\"400 INVALID_ARGUMENT. {'error': {'code': 400, 'message': 'Function call is missing a thought_signature in functionCall parts. This is required for tools to work correctly, and missing thought_signature may lead to degraded model performance. Additional data, function call `default_api:current_time` , position 4. please refer to https://ai.google.dev/gemini-api/docs/thought-signatures for more details.', 'status': 'INVALID_ARGUMENT'}}\"}"}
Reacted by dosubot
Activity
gabecowan commentedon Nov 20, 2025
Same issue for us.
migege commentedon Nov 25, 2025
Same issue, looking forward to getting it fixed
QIN2DIM commentedon Nov 25, 2025
@laipz8200
laipz8200 commentedon Nov 27, 2025
It seems we have found some bypass methods. I suggest using this method first.
dosubot commentedon Dec 13, 2025
Hi, @QIN2DIM. I'm Dosu, and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale.
Issue Summary:
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