# エラーが発生しました。サイトが正常に機能しない可能性があります。「discourse-whos-online」プラグインによって引き起こされました

**URL:** <https://meta.discourse.org/t/there-was-an-error-your-site-may-not-work-properly-caused-by-plugin-discourse-whos-online/348251>\
**Category:** Bug\
**Tags:** whos-online\
**Created:** [2025 年 1 月 21 日午後 7:49 UTC](https://meta.discourse.org/t/there-was-an-error-your-site-may-not-work-properly-caused-by-plugin-discourse-whos-online/348251 "2025-01-21T19:49:24Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![Arkshine](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/arkshine/32/298682_2.png) [@Arkshine](https://meta.discourse.org/u/Arkshine)\
**Post date:** [2025 年 1 月 21 日午後 11:50 UTC](https://meta.discourse.org/t/there-was-an-error-your-site-may-not-work-properly-caused-by-plugin-discourse-whos-online/348251/6 "2025-01-21T23:50:37Z")

</div>

クリーンな本番環境では再現できませんが、開発環境ではエラーを確認しました。

 ![The image shows an error message indicating an uncaught in-prostraint revaluation failure, attributed to the direct use of 'et' on a pre-defined object, in an application called 'DiscourseTopic', with a detailed stack trace detailing the locations of the error in the code. (Captioned by AI)](https://global.discourse-cdn.com/meta/original/4X/0/0/7/007f6cb20e538a5a3a613cf16f62c6d8ca4db183.png)

[https://github.com/discourse/discourse-whos-online/blob/main/assets/javascripts/discourse/api-initializers/intitialize-whos-online-indicators.js#L76](https://github.com/discourse/discourse-whos-online/blob/main/assets/javascripts/discourse/api-initializers/intitialize-whos-online-indicators.js#L76)

> <https://github.com/discourse/discourse-whos-online/blob/main/assets/javascripts/discourse/services/whos-online.js#L19>

トランスフォーマーの外部でサービスを取得すると、問題が解決するようです。

[DEV: Upgrade to the Glimmer topic list by megothss · Pull Request #117 · discourse/discourse-whos-online · GitHub](https://github.com/discourse/discourse-whos-online/pull/117) に関連しています。

---

_[View the full topic](https://meta.discourse.org/t/there-was-an-error-your-site-may-not-work-properly-caused-by-plugin-discourse-whos-online/348251)._