[GH-ISSUE #1275] TypeError: Cannot read property 'preference' of undefined #426

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opened 2026-03-16 15:16:05 +03:00 by kerem · 2 comments

kerem commented

2026-03-16 15:16:05 +03:00

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Originally created by @ChrisB85 on GitHub (Oct 15, 2020).
Original GitHub issue: https://github.com/hoppscotch/hoppscotch/issues/1275

Describe the bug
When trying to open an app, only loading screen appears. There is an error in the console:

TypeError: Cannot read property 'preference' of undefined
    at Eo (f9910f0.js:1)
    at f9910f0.js:1
    at h (a93e484.js:2)
    at Generator._invoke (a93e484.js:2)
    at Generator.next (a93e484.js:2)
    at r (a93e484.js:2)
    at l (a93e484.js:2)

To Reproduce
Steps to reproduce the behavior:

Go to hoppscotch app URL
Open console in developer tools
See error

Expected behavior
An error in console should not appear.

Screenshots

Desktop (please complete the following information):

OS: Windows/Linux Mint
Browser Brave/Firefox

Additional context
I'm using docker version of hoppscotch. I have tried to clear site data in developer tools, but with no luck.

Originally created by @ChrisB85 on GitHub (Oct 15, 2020). Original GitHub issue: https://github.com/hoppscotch/hoppscotch/issues/1275 **Describe the bug** When trying to open an app, only loading screen appears. There is an error in the console: ``` TypeError: Cannot read property 'preference' of undefined at Eo (f9910f0.js:1) at f9910f0.js:1 at h (a93e484.js:2) at Generator._invoke (a93e484.js:2) at Generator.next (a93e484.js:2) at r (a93e484.js:2) at l (a93e484.js:2) ``` **To Reproduce** Steps to reproduce the behavior: 1. Go to hoppscotch app URL 2. Open console in developer tools 3. See error **Expected behavior** An error in console should not appear. **Screenshots** ![image](https://user-images.githubusercontent.com/792899/96081585-e776e700-0eb9-11eb-8f16-1831e6ae3b46.png) **Desktop (please complete the following information):** - OS: Windows/Linux Mint - Browser Brave/Firefox **Additional context** I'm using docker version of hoppscotch. I have tried to clear site data in developer tools, but with no luck.

kerem

2026-03-16 15:16:05 +03:00

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kerem commented

2026-03-16 15:16:22 +03:00

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@liyasthomas commented on GitHub (Oct 15, 2020):

Docker image seems to be having an issue. We're working on finding the root cause.

Investigation shows the color mode module is having an issue with accessing cookies when run via Docker. Kindly stay tuned while we rollout a patch ASAP.

@liyasthomas commented on GitHub (Oct 15, 2020): Docker image seems to be having an issue. We're working on finding the root cause. Investigation shows the color mode module is having an issue with accessing cookies when run via Docker. Kindly stay tuned while we rollout a patch ASAP.

kerem commented

2026-03-16 15:16:27 +03:00

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@ChrisB85 commented on GitHub (Oct 21, 2020):

I have just upgraded my docker installation and it's working again :)

@ChrisB85 commented on GitHub (Oct 21, 2020): I have just upgraded my docker installation and it's working again :)