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Cannot assign to read only property 'progress' of object '#<Object>' #18049

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opened 2026-02-21 19:42:58 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:42:58 -05:00
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Originally created by @asdfgo on GitHub (Sep 23, 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

1.9.0

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

  1. Access a knowledge base in Chrome.
  2. Add files.
  3. If a single PDF file is selected, even if this operation is repeated multiple times, the "Next" button becomes clickable.
  4. If multiple files are selected at once (ensuring the file contents are valid), for example, more than 10 files, the "Next" button remains grayed out and unclickable.
  5. At this point, a script error can be seen in Chrome's console.

✔️ Expected Behavior

Expectation: When selecting multiple files at once, the "Next" button should be clickable.
This functionality worked normally in version 1.8.0.

❌ Actual Behavior

  1. The "Next" button is grayed out and unclickable.
  2. The following script error is observed in Chrome's console:
    83185-02a80ecc16e75b73.js:13 Uncaught (in promise) TypeError: Cannot assign to read only property 'progress' of object '#
Image
Originally created by @asdfgo on GitHub (Sep 23, 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 1.9.0 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce 1. Access a knowledge base in Chrome. 2. Add files. 3. If a single PDF file is selected, even if this operation is repeated multiple times, the "Next" button becomes clickable. 4. If multiple files are selected at once (ensuring the file contents are valid), for example, more than 10 files, the "Next" button remains grayed out and unclickable. 5. At this point, a script error can be seen in Chrome's console. ### ✔️ Expected Behavior Expectation: When selecting multiple files at once, the "Next" button should be clickable. This functionality worked normally in version 1.8.0. ### ❌ Actual Behavior 1. The "Next" button is grayed out and unclickable. 2. The following script error is observed in Chrome's console: 83185-02a80ecc16e75b73.js:13 Uncaught (in promise) TypeError: Cannot assign to read only property 'progress' of object '#<object>' at 83185-02a80ecc16e75b73.js:13:6650 at Array.forEach (<anonymous>) at 83185-02a80ecc16e75b73.js:13:6629 at 83185-02a80ecc16e75b73.js:13:6807 </anonymous></object> <img width="2520" height="1077" alt="Image" src="https://github.com/user-attachments/assets/22c94617-b310-432a-8722-17e0506de245" />
yindo added the 🐞 bugKnowledge Pipeline labels 2026-02-21 19:42:58 -05:00
yindo closed this issue 2026-02-21 19:42:58 -05:00
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Reference: langgenius/dify#18049
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