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Instance <Document at 0x77ca0f561fa0> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: https://sqlalche.me/e/20/bhk3) #19166

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opened 2026-02-21 19:56:32 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:56:32 -05:00
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Originally created by @007long on GitHub (Oct 13, 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

1.9.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

I put the document into the RAG ,then it comes the erros:

✔️ Expected Behavior

All documents uploads without error

❌ Actual Behavior

Instance <Document at 0x77ca0f561fa0> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: https://sqlalche.me/e/20/bhk3)

Originally created by @007long on GitHub (Oct 13, 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 1.9.1 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce I put the document into the RAG ,then it comes the erros: ### ✔️ Expected Behavior All documents uploads without error ### ❌ Actual Behavior Instance <Document at 0x77ca0f561fa0> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: https://sqlalche.me/e/20/bhk3)
yindo closed this issue 2026-02-21 19:56:32 -05:00
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Reference: langgenius/dify#19166
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