issue: ERROR Failed to send telemetry event ClientStartEvent #5747

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opened 2025-11-11 16:32:24 -06:00 by GiteaMirror · 6 comments
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Originally created by @sanchitbhavsar on GitHub (Jul 12, 2025).

Check Existing Issues

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

Installation Method

Git Clone

Open WebUI Version

v0.6.15

Ollama Version (if applicable)

No response

Operating System

macOS

Browser (if applicable)

No response

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

App is not starting

Actual Behavior

ERROR [chromadb.telemetry.product.posthog] Failed to send telemetry event ClientStartEvent: capture() takes 1 positional argument but 3 were given

Steps to Reproduce

Using latest version with chromaDB

Logs & Screenshots

ERROR [chromadb.telemetry.product.posthog] Failed to send telemetry event ClientStartEvent: capture() takes 1 positional argument but 3 were given

Additional Information

No response

Originally created by @sanchitbhavsar on GitHub (Jul 12, 2025). ### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Git Clone ### Open WebUI Version v0.6.15 ### Ollama Version (if applicable) _No response_ ### Operating System macOS ### Browser (if applicable) _No response_ ### 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 App is not starting ### Actual Behavior ERROR [chromadb.telemetry.product.posthog] Failed to send telemetry event ClientStartEvent: capture() takes 1 positional argument but 3 were given ### Steps to Reproduce Using latest version with chromaDB ### Logs & Screenshots ERROR [chromadb.telemetry.product.posthog] Failed to send telemetry event ClientStartEvent: capture() takes 1 positional argument but 3 were given ### Additional Information _No response_
GiteaMirror added the bug label 2025-11-11 16:32:24 -06:00
Author
Owner

@rgaricano commented on GitHub (Jul 13, 2025):

It seems that the fault is in chromadb when passing arguments to a dependent library posthog (Requires-Dist: posthog>=2.4.0), for this to work properly, it need to change that requirement to force posthog>=2.4.0,<6.0.0

Maybe adding posthog>=2.4.0,<6.0.0 to requirements could solve that issue.

(https://github.com/vanna-ai/vanna/issues/917#issuecomment-3036668545 )

@rgaricano commented on GitHub (Jul 13, 2025): It seems that the fault is in chromadb when passing arguments to a dependent library posthog (Requires-Dist: posthog>=2.4.0), for this to work properly, it need to change that requirement to force posthog>=2.4.0,<6.0.0 Maybe adding posthog>=2.4.0,<6.0.0 to requirements could solve that issue. (https://github.com/vanna-ai/vanna/issues/917#issuecomment-3036668545 )
Author
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@sanchitbhavsar commented on GitHub (Jul 13, 2025):

@tjbck could you refer to the duplicate issue?

@sanchitbhavsar commented on GitHub (Jul 13, 2025): @tjbck could you refer to the duplicate issue?
Author
Owner
@rgaricano commented on GitHub (Jul 13, 2025): https://github.com/open-webui/open-webui/issues/15652 https://github.com/open-webui/open-webui/issues/15613
Author
Owner

@sanchitbhavsar commented on GitHub (Jul 14, 2025):

@rgaricano still fails even though the ANONYMIZED_TELEMETRY is set to false

@tjbck do you have some pointers?

@sanchitbhavsar commented on GitHub (Jul 14, 2025): @rgaricano still fails even though the ANONYMIZED_TELEMETRY is set to false @tjbck do you have some pointers?
Author
Owner

@sanchitbhavsar commented on GitHub (Jul 15, 2025):

@tjbck @rgaricano adding explicitly the posthog lib in requirements.txt and in pyproject.toml resolved the error. I used posthog==4.8.0

@sanchitbhavsar commented on GitHub (Jul 15, 2025): @tjbck @rgaricano adding explicitly the posthog lib in requirements.txt and in pyproject.toml resolved the error. I used posthog==4.8.0
Author
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@thlehmann-ionos commented on GitHub (Sep 26, 2025):

Note: although there is a uv.lock file, it is not used in the container image build process: https://github.com/open-webui/open-webui/blob/v0.6.31/Dockerfile#L128

@thlehmann-ionos commented on GitHub (Sep 26, 2025): Note: although there is a `uv.lock` file, it is not used in the container image build process: https://github.com/open-webui/open-webui/blob/v0.6.31/Dockerfile#L128
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Reference: github-starred/open-webui#5747