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[GH-ISSUE #16460] issue: Can't get any LLM output in latest version. Error SyntaxError: Unexpected token 'd', "data: {"id"... is not valid JSON #56579

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opened 2026-05-05 19:44:05 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-05-05 19:44:05 -05:00
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Originally created by @d3lay on GitHub (Aug 10, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/16460

Check Existing Issues

  • I have searched the existing issues and discussions.
  • I am using the latest version of Open WebUI.

Installation Method

Pip Install

Open WebUI Version

v0.6.21

Ollama Version (if applicable)

0.11.4

Operating System

Windows 11

Browser (if applicable)

Chrome

Confirmation

  • I have read and followed all instructions in README.md.
  • I am using the latest version of both Open WebUI and Ollama.
  • I have included the browser console logs.
  • I have included the Docker container logs.
  • I have provided every relevant configuration, setting, and environment variable used in my setup.
  • I have clearly listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc).
  • I have documented step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation. My steps:
  • Start with the initial platform/version/OS and dependencies used,
  • Specify exact install/launch/configure commands,
  • List URLs visited, user input (incl. example values/emails/passwords if needed),
  • Describe all options and toggles enabled or changed,
  • Include any files or environmental changes,
  • Identify the expected and actual result at each stage,
  • Ensure any reasonably skilled user can follow and hit the same issue.

Expected Behavior

Show LLM response

Actual Behavior

Show error SyntaxError: Unexpected token 'd', "data: {"id"... is not valid JSON

Steps to Reproduce

  • Install latest version of ollama and OWUI.
  • Send a request to a LLM (neither Ollama nor OpenAI-APIs work)

Logs & Screenshots

Image

Additional Information

No response

Originally created by @d3lay on GitHub (Aug 10, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/16460 ### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Pip Install ### Open WebUI Version v0.6.21 ### Ollama Version (if applicable) 0.11.4 ### Operating System Windows 11 ### Browser (if applicable) Chrome ### Confirmation - [x] I have read and followed all instructions in `README.md`. - [x] I am using the latest version of **both** Open WebUI and Ollama. - [x] I have included the browser console logs. - [x] I have included the Docker container logs. - [x] I have **provided every relevant configuration, setting, and environment variable used in my setup.** - [x] I have clearly **listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup** (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc). - [x] I have documented **step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation**. My steps: - Start with the initial platform/version/OS and dependencies used, - Specify exact install/launch/configure commands, - List URLs visited, user input (incl. example values/emails/passwords if needed), - Describe all options and toggles enabled or changed, - Include any files or environmental changes, - Identify the expected and actual result at each stage, - Ensure any reasonably skilled user can follow and hit the same issue. ### Expected Behavior Show LLM response ### Actual Behavior Show error `SyntaxError: Unexpected token 'd', "data: {"id"... is not valid JSON` ### Steps to Reproduce - Install latest version of ollama and OWUI. - Send a request to a LLM (neither Ollama nor OpenAI-APIs work) ### Logs & Screenshots <img width="415" height="208" alt="Image" src="https://github.com/user-attachments/assets/0ca34de2-2b87-4140-9635-31e96f8c9113" /> ### Additional Information _No response_
GiteaMirror added the bug label 2026-05-05 19:44:05 -05:00
GiteaMirror commented 2026-05-05 19:44:08 -05:00
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@d3lay commented on GitHub (Aug 10, 2025):

This error first occurred after updating to "v0.6.20" and still persists after updating to "v0.6.21"

<!-- gh-comment-id:3172925325 --> @d3lay commented on GitHub (Aug 10, 2025): This error first occurred after updating to "v0.6.20" and still persists after updating to "v0.6.21"
GiteaMirror commented 2026-05-05 19:44:10 -05:00
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@tjbck commented on GitHub (Aug 11, 2025):

Websocket is required.

<!-- gh-comment-id:3173824922 --> @tjbck commented on GitHub (Aug 11, 2025): Websocket is required.
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Reference: github-starred/open-webui#56579
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