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chunk error #14057

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opened 2026-02-21 19:15:21 -05:00 by yindo · 2 comments
yindo commented 2026-02-21 19:15:21 -05:00
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Originally created by @hashmap521 on GitHub (May 20, 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 search for existing issues, 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

1.4.0

Cloud or Self Hosted

Cloud

Steps to reproduce

Image

✔️ Expected Behavior

No response

❌ Actual Behavior

No response

Originally created by @hashmap521 on GitHub (May 20, 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 [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 (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 1.4.0 ### Cloud or Self Hosted Cloud ### Steps to reproduce <img width="1440" alt="Image" src="https://github.com/user-attachments/assets/1d1aa685-d61a-4d17-b373-88fab52e9c52" /> <!-- Failed to upload "knowledge_base.md" --> ### ✔️ Expected Behavior _No response_ ### ❌ Actual Behavior _No response_
yindo added the 🐞 bugcloud labels 2026-02-21 19:15:21 -05:00
yindo closed this issue 2026-02-21 19:15:21 -05:00
yindo commented 2026-02-21 19:15:21 -05:00
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@crazywoola commented on GitHub (May 20, 2025):

https://github.com/langgenius/dify/blob/0277a37fcad5ad86aeb239485c27fffd5cd90043/CONTRIBUTING.md#L25-L33

@crazywoola commented on GitHub (May 20, 2025): https://github.com/langgenius/dify/blob/0277a37fcad5ad86aeb239485c27fffd5cd90043/CONTRIBUTING.md#L25-L33
yindo commented 2026-02-21 19:15:21 -05:00
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@dosubot[bot] commented on GitHub (May 20, 2025):

To address chunk errors in Dify version 1.4.0, you can try the following steps:

  1. Adjust Configuration Settings: Switch from automatic mode to custom mode, manually adjust chunking rules, define custom cleaning strategies, set specific delimiters, and configure maximum chunk lengths and chunk overlaps. This can help optimize the chunking process and reduce errors [1].

  2. Review Chunking Quality: Perform a manual review of chunking quality to ensure that the chunks are neither too short nor too long, and that there is no semantic truncation. This can help identify and correct issues related to the text structure and semantic context that automated chunking methods might miss [2].

  3. Check for Known Issues: If you encounter a Chunk Settings 400 error, it may be due to a missing required field in the KnowledgeConfig. You can either wait for the next version release that includes the fix or downgrade to a previous version where this issue does not occur [3].

These steps should help mitigate chunk errors in your current setup.

To continue talking to Dosu, mention @dosu.

Help Dosu learn! Give it feedback: Great Response | Irrelevant Answer | Incorrect Sources | Too Verbose | Hallucination | Bug Report | Other

@dosubot[bot] commented on GitHub (May 20, 2025): <!-- Answer --> To address chunk errors in Dify version 1.4.0, you can try the following steps: 1. **Adjust Configuration Settings**: Switch from automatic mode to custom mode, manually adjust chunking rules, define custom cleaning strategies, set specific delimiters, and configure maximum chunk lengths and chunk overlaps. This can help optimize the chunking process and reduce errors <sup>[[1]](https://github.com/langgenius/dify/issues/11992)</sup>. 2. **Review Chunking Quality**: Perform a manual review of chunking quality to ensure that the chunks are neither too short nor too long, and that there is no semantic truncation. This can help identify and correct issues related to the text structure and semantic context that automated chunking methods might miss <sup>[[2]](https://github.com/crazywoola/dify-docs-mintlify/blob/main/en/guides/knowledge-base/knowledge-and-documents-maintenance/maintain-knowledge-documents.mdx)</sup>. 3. **Check for Known Issues**: If you encounter a Chunk Settings 400 error, it may be due to a missing required field in the KnowledgeConfig. You can either wait for the next version release that includes the fix or downgrade to a previous version where this issue does not occur <sup>[[3]](https://github.com/langgenius/dify/issues/16619)</sup>. These steps should help mitigate chunk errors in your current setup. <!-- Dosu Comment Footer --> *To continue talking to [Dosu](https://dosu.dev), mention @dosu.* --- <sup>Help Dosu learn! Give it feedback: [Great Response](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=great_response) | [Irrelevant Answer](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=irrelevant_answer) | [Incorrect Sources](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=incorrect_sources) | [Too Verbose](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=too_verbose) | [Hallucination](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=hallucination) | [Bug Report](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=bug_report) | [Other](https://app.dosu.dev/response-feedback/4b3498b5-ca89-4557-96ff-ba570e08b586?feedback_type=other)</sup>
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Reference: langgenius/dify#14057
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