TypeError: Cannot read properties of null (reading 'en')

Contribute Bug

AI-generated summary

The discussion revolves around a recurring TypeError: Cannot read properties of null (reading 'en') error affecting multiple theme components on a Discourse forum. Jagster reports that several components—including Dark-Light Toggle, User Menu Quick Logout, User Portfolio, Categories Navbar, Toggle Whisper, Topic List Previews, Sidebar Theme Toggle, Offline Indicator, Discourse Composer Footnote Button, DiscoTOC, discourse-search-banner, and Discourse Kanban—are throwing the same error. The issue appears to stem from a missing or null ‘en’ property, likely related to localization. Joshhabka references a related Meta Discourse thread (https://meta.discourse.org/t/discourse-stuck-on-loading-logs/361603) that may address the root cause. Sam confirms the linked issue was resolved and suggests closing this one, indicating the problem is likely fixed.

1

Several theme components are giving this to error log. Scary, caring or no bother?

Message

Dark-Light Toggle theme/component is throwing errors:
TypeError: Cannot read properties of null (reading 'en')

Backtrace

TypeError: Cannot read properties of null (reading 'en')
    at Object.initialize (https://foorumi.katiska.eu/theme-javascripts/92797a07aed2d6fbf5516744df323979636ce2b5.js?__ws=foorumi.katiska.eu:5:51)
    at n.initialize (https://cdnfoorumi.katiska.eu/assets/chunk.539f39cb06cf0acef810.br.js:2:333868)
    at https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:274204
    at e.each (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:455828)
    at e.walk (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:454844)
    at e.each (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:454197)
    at e.topsort (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:454243)
    at e._runInitializer (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:274529)
    at e.runInitializers (https://cdnfoorumi.katiska.eu/assets/vendor.ebcffa63b65b920d5cfc189685c4d511-cd53f38a5ad23a4ddfa97ff23cda9bb0c96e8e22feff0d58d2409d2b3683e3b6.br.js:21:274162)

Env

HTTP HOSTS: foorumi.katiska.eu
1 Like
2

Tagging of this topic isn’t right, I would guess. As I said, there is several components giving that error. I just didn’t bother copypaste them all.

Dark-Light Toggle theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:26 pm

User menu quick logout theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:26 pm

User Portfolio theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:26 pm

Categories Navbar theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:26 pm
3

Toggle Whisper theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
6

Topic List Previews theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
5

Sidebar Theme Toggle theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
4

Offline Indicator Theme Component theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
3

Discourse Composer Footnote Button theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
5

DiscoTOC theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
6

discourse-search-banner theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1:27 pm
4

Discourse Kanban theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'en')
1 Like
3

Following

See: Discourse Stuck on Loading (Logs)

4

looks like the linked issue was resolve @Jagster closing this cause I am pretty sure the issue is resolved for you.

1 Like