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1 validation error for I18nObject en_US Input should be ..... this error massage will show after add mcp server #17646

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opened 2026-02-21 19:37:55 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:37:55 -05:00
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Originally created by @zhuweiyun on GitHub (Sep 17, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.8.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

Image

✔️ Expected Behavior

Image Will show "MPC Server" list。

❌ Actual Behavior

"1 validation error for I18nObject en_US Input should be a valid string [type=string_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.11/v/string_type"

We have been consistently encountering this error message since we upgraded from V1.5.1 to V1.7.2 and V1.8.1. Furthermore, within the MCP interface, the list of already added "MPC Server" entries cannot even be displayed. We are using Docker for installation and upgrades, and the issue persists even after deleting the previous version and performing a clean reinstall. Please help investigate what is causing this problem. Thank you!

Originally created by @zhuweiyun on GitHub (Sep 17, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [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 [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.8.1 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce <img width="2382" height="696" alt="Image" src="https://github.com/user-attachments/assets/7f4ea39a-9755-4b3d-851f-b1993515b4ba" /> ### ✔️ Expected Behavior <img width="3344" height="1494" alt="Image" src="https://github.com/user-attachments/assets/a2a9d887-8868-40a3-aab8-81f4e703750d" /> Will show "MPC Server" list。 ### ❌ Actual Behavior "1 validation error for I18nObject en_US Input should be a valid string [type=string_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.11/v/string_type" We have been consistently encountering this error message since we upgraded from V1.5.1 to V1.7.2 and V1.8.1. Furthermore, within the MCP interface, the list of already added "MPC Server" entries cannot even be displayed. We are using Docker for installation and upgrades, and the issue persists even after deleting the previous version and performing a clean reinstall. Please help investigate what is causing this problem. Thank you!
yindo added the 🐞 bug label 2026-02-21 19:37:55 -05:00
yindo closed this issue 2026-02-21 19:37:55 -05:00
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Reference: langgenius/dify#17646
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