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[PR #20268] [MERGED] fix: resolve duplicate key and null message errors in chat #48579

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opened 2026-04-30 00:35:52 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-30 00:35:52 -05:00
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📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/20268
Author: @silentoplayz
Created: 12/30/2025
Status: ✅ Merged
Merged: 12/31/2025
Merged by: @tjbck

Base: dev ← Head: fix/chat-message-errors

📝 Commits (6)

📊 Changes

3 files changed (+17 additions, -3 deletions)

View changed files

📝 src/lib/components/chat/Chat.svelte (+5 -3)
📝 src/lib/components/chat/Messages.svelte (+8 -0)
📝 src/lib/components/chat/Overview/View.svelte (+4 -0)

📄 Description

Pull Request Checklist

Note to first-time contributors: Please open a discussion post in Discussions to discuss your idea/fix with the community before creating a pull request, and describe your changes before submitting a pull request.

This is to ensure large feature PRs are discussed with the community first, before starting work on it. If the community does not want this feature or it is not relevant for Open WebUI as a project, it can be identified in the discussion before working on the feature and submitting the PR.

Before submitting, make sure you've checked the following:

  • Target branch: Verify that the pull request targets the dev branch. Not targeting the dev branch will lead to immediate closure of the PR.
  • Description: Provide a concise description of the changes made in this pull request down below.
  • Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
  • Documentation: If necessary, update relevant documentation Open WebUI Docs like environment variables, the tutorials, or other documentation sources.
  • Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?
  • Testing: Perform manual tests to verify the implemented fix/feature works as intended AND does not break any other functionality. Take this as an opportunity to make screenshots of the feature/fix and include it in the PR description.
  • Agentic AI Code: Confirm this Pull Request is not written by any AI Agent or has at least gone through additional human review AND manual testing. If any AI Agent is the co-author of this PR, it may lead to immediate closure of the PR.
  • Code review: Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
  • Title Prefix: To clearly categorize this pull request, prefix the pull request title using one of the following:
    • BREAKING CHANGE: Significant changes that may affect compatibility
    • build: Changes that affect the build system or external dependencies
    • ci: Changes to our continuous integration processes or workflows
    • chore: Refactor, cleanup, or other non-functional code changes
    • docs: Documentation update or addition
    • feat: Introduces a new feature or enhancement to the codebase
    • fix: Bug fix or error correction
    • i18n: Internationalization or localization changes
    • perf: Performance improvement
    • refactor: Code restructuring for better maintainability, readability, or scalability
    • style: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
    • test: Adding missing tests or correcting existing tests
    • WIP: Work in progress, a temporary label for incomplete or ongoing work

Changelog Entry

Description

  • Addressed critical runtime errors affecting chat stability and the overview visualization. These fixes resolve TypeErrors related to null message access in chat loading, message rendering, and the chat overview flow, as well as an each_key_duplicate error caused by circular message dependencies.

Changed

  • Updated Messages.svelte to break circular dependencies during message list creation.
  • Updated Chat.svelte to safeguard against null messages in loadChat and undefined parents in stopResponse.
  • Updated View.svelte with null checks for messages and position data during flow rendering.

Fixed

  • Fixed Uncaught Svelte error: each_key_duplicate in Messages.svelte by handling circular history chains.
  • Fixed TypeError: can't access property "role", message is null in Chat.svelte during chat load.
  • Fixed TypeError: can't access property "childrenIds", ... is undefined in Chat.svelte when stopping responses.
  • Fixed TypeError: can't access property "parentId", message is null and TypeError: can't access property "position", pos is undefined in View.svelte for the chat overview.

Additional Information

  • These comprehensive stability fixes prevent white-screen crashes and console errors during standard chat interactions and when viewing the chat overview.

Contributor License Agreement

By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.

Note

Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in.

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/open-webui/open-webui/pull/20268 **Author:** [@silentoplayz](https://github.com/silentoplayz) **Created:** 12/30/2025 **Status:** ✅ Merged **Merged:** 12/31/2025 **Merged by:** [@tjbck](https://github.com/tjbck) **Base:** `dev` ← **Head:** `fix/chat-message-errors` --- ### 📝 Commits (6) - [`12e6860`](https://github.com/open-webui/open-webui/commit/12e6860b62704ab42012eda498e8ae1855f6fff1) fix: resolve duplicate key and null message errors in chat - [`a041f49`](https://github.com/open-webui/open-webui/commit/a041f499f0b58aebed659abc0242722aa0deb7d4) fix: resolve duplicate key and null message errors in chat - [`9407a18`](https://github.com/open-webui/open-webui/commit/9407a18070eea146962354c6388bfd35e5dd201e) Merge branch 'fix/chat-message-errors' of https://github.com/silentoplayz/open-webui into fix/chat-message-errors - [`f958d7c`](https://github.com/open-webui/open-webui/commit/f958d7cef14f29be674db9b2b3b857010b33b27f) fix: resolve duplicate key and null message errors in chat - [`5ee22b3`](https://github.com/open-webui/open-webui/commit/5ee22b31119f450528411a4cc155f75424e8c397) Merge branch 'fix/chat-message-errors' of https://github.com/silentoplayz/open-webui into fix/chat-message-errors - [`222cd47`](https://github.com/open-webui/open-webui/commit/222cd47a80a387558bdb2b66c522278fdd100d8f) chore: visitedIds -> visitedMessageIds ### 📊 Changes **3 files changed** (+17 additions, -3 deletions) <details> <summary>View changed files</summary> 📝 `src/lib/components/chat/Chat.svelte` (+5 -3) 📝 `src/lib/components/chat/Messages.svelte` (+8 -0) 📝 `src/lib/components/chat/Overview/View.svelte` (+4 -0) </details> ### 📄 Description # Pull Request Checklist ### Note to first-time contributors: Please open a discussion post in [Discussions](https://github.com/open-webui/open-webui/discussions) to discuss your idea/fix with the community before creating a pull request, and describe your changes before submitting a pull request. This is to ensure large feature PRs are discussed with the community first, before starting work on it. If the community does not want this feature or it is not relevant for Open WebUI as a project, it can be identified in the discussion before working on the feature and submitting the PR. **Before submitting, make sure you've checked the following:** - [x] **Target branch:** Verify that the pull request targets the `dev` branch. **Not targeting the `dev` branch will lead to immediate closure of the PR.** - [x] **Description:** Provide a concise description of the changes made in this pull request down below. - [x] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description. - [x] **Documentation:** If necessary, update relevant documentation [Open WebUI Docs](https://github.com/open-webui/docs) like environment variables, the tutorials, or other documentation sources. - [X] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation? - [x] **Testing:** Perform manual tests to **verify the implemented fix/feature works as intended AND does not break any other functionality**. Take this as an opportunity to **make screenshots of the feature/fix and include it in the PR description**. - [x] **Agentic AI Code:** Confirm this Pull Request is **not written by any AI Agent** or has at least **gone through additional human review AND manual testing**. If any AI Agent is the co-author of this PR, it may lead to immediate closure of the PR. - [x] **Code review:** Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards? - [x] **Title Prefix:** To clearly categorize this pull request, prefix the pull request title using one of the following: - **BREAKING CHANGE**: Significant changes that may affect compatibility - **build**: Changes that affect the build system or external dependencies - **ci**: Changes to our continuous integration processes or workflows - **chore**: Refactor, cleanup, or other non-functional code changes - **docs**: Documentation update or addition - **feat**: Introduces a new feature or enhancement to the codebase - **fix**: Bug fix or error correction - **i18n**: Internationalization or localization changes - **perf**: Performance improvement - **refactor**: Code restructuring for better maintainability, readability, or scalability - **style**: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.) - **test**: Adding missing tests or correcting existing tests - **WIP**: Work in progress, a temporary label for incomplete or ongoing work # Changelog Entry ### Description - Addressed critical runtime errors affecting chat stability and the overview visualization. These fixes resolve `TypeError`s related to null message access in chat loading, message rendering, and the chat overview flow, as well as an `each_key_duplicate` error caused by circular message dependencies. ### Changed - Updated [Messages.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Messages.svelte:0:0-0:0) to break circular dependencies during message list creation. - Updated [Chat.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Chat.svelte:0:0-0:0) to safeguard against null messages in `loadChat` and undefined parents in `stopResponse`. - Updated [View.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Overview/View.svelte:0:0-0:0) with null checks for messages and position data during flow rendering. ### Fixed - Fixed `Uncaught Svelte error: each_key_duplicate` in [Messages.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Messages.svelte:0:0-0:0) by handling circular history chains. - Fixed `TypeError: can't access property "role", message is null` in [Chat.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Chat.svelte:0:0-0:0) during chat load. - Fixed `TypeError: can't access property "childrenIds", ... is undefined` in [Chat.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Chat.svelte:0:0-0:0) when stopping responses. - Fixed `TypeError: can't access property "parentId", message is null` and `TypeError: can't access property "position", pos is undefined` in [View.svelte](cci:7://file:///home/g30/docker-projects/open-webui-dev/src/lib/components/chat/Overview/View.svelte:0:0-0:0) for the chat overview. --- ### Additional Information - These comprehensive stability fixes prevent white-screen crashes and console errors during standard chat interactions and when viewing the chat overview. ### Contributor License Agreement By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms. > [!NOTE] > Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
GiteaMirror added the pull-request label 2026-04-30 00:35:52 -05:00
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