[Gemini] ClientError: 400 INVALID_ARGUMENT #126

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opened 2026-02-16 10:18:09 -05:00 by yindo · 0 comments
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Originally created by @shelltea on GitHub (Mar 26, 2025).

Self Checks

  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues Dify issues & Dify Official Plugins, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue,否则会被关闭。谢谢!:)
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.1.3

Plugin version

0.1.0

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

When using the Gemini 2.0 Pro and Gemini 2.5 Pro models, an error occurs during the second round of conversation, while the first round is normal.

✔️ Error log

2025-03-26 11:20:50.659 DEBUG [Dummy-479] [based_generate_task_pipeline.py:45] - error: [google] Error: PluginInvokeError: {"args":{},"error_type":"ClientError","message":"400 INVALID_ARGUMENT. {'error': {'code': 400, 'message': 'Please use a valid role: user, model.', 'status': 'INVALID_ARGUMENT'}}"}

Originally created by @shelltea on GitHub (Mar 26, 2025). ### Self Checks - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [Dify issues](https://github.com/langgenius/dify/issues) & [Dify Official Plugins](https://github.com/langgenius/dify-official-plugins/issues), including closed ones. - [x] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue,否则会被关闭。谢谢!:) - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.1.3 ### Plugin version 0.1.0 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce When using the Gemini 2.0 Pro and Gemini 2.5 Pro models, an error occurs during the second round of conversation, while the first round is normal. ### ✔️ Error log 2025-03-26 11:20:50.659 DEBUG [Dummy-479] [based_generate_task_pipeline.py:45] - error: [google] Error: PluginInvokeError: {"args":{},"error_type":"ClientError","message":"400 INVALID_ARGUMENT. {'error': {'code': 400, 'message': 'Please use a valid role: user, model.', 'status': 'INVALID_ARGUMENT'}}"}
yindo added the bug label 2026-02-16 10:18:09 -05:00
yindo closed this issue 2026-02-16 10:18:10 -05:00
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Reference: langgenius/dify-official-plugins#126