The issue

forum.js?v=1aed1187:489 TypeError: Cannot read properties of undefined (reading 'querySelectorAll')
    at e.<anonymous> (forum.js?v=1aed1187:489:642405)
    at forEach.t.<computed> [as refreshContent] (forum.js?v=1aed1187:1:390371)
    at n.onupdate (forum.js?v=1aed1187:1:317150)
    at forEach.t.<computed> (forum.js?v=1aed1187:1:390341)
    at forEach.t.<computed> (forum.js?v=1aed1187:1:390341)
    at forEach.t.<computed> [as onupdate] (forum.js?v=1aed1187:1:390341)
    at Function.a (forum.js?v=1aed1187:1:135101)
    at forum.js?v=1aed1187:1:147879
    at a (forum.js?v=1aed1187:1:123381)
    at forum.js?v=1aed1187:1:123467
（anonymous） @ forum.js?v=1aed1187:489
（anonymous） @ forum.js?v=1aed1187:489
a @ forum.js?v=1aed1187:1
（anonymous） @ forum.js?v=1aed1187:1
requestAnimationFrame（asynchronous）
u @ forum.js?v=1aed1187:1
（anonymous） @ forum.js?v=1aed1187:489
forum.js?v=1aed1187:489 TypeError: Cannot read properties of undefined (reading 'onbeforeupdate')
    at forum.js?v=1aed1187:1:140029
    at p (forum.js?v=1aed1187:1:140237)
    at forum.js?v=1aed1187:1:141749
    at p (forum.js?v=1aed1187:1:141927)
    at f (forum.js?v=1aed1187:1:139653)
    at forum.js?v=1aed1187:1:147702
    at a (forum.js?v=1aed1187:1:123381)
    at forum.js?v=1aed1187:1:123467

Flarum information

Flarum core: 1.8.1
PHP version: 8.0.26
MySQL version: 5.7.41-log
Loaded extensions: Core, date, libxml, openssl, pcre, sqlite3, zlib, bcmath, ctype, curl, dom, filter, ftp, gd, gettext, hash, iconv, intl, json, mbstring, SPL, session, pcntl, standard, PDO, mysqlnd, pdo_sqlite, bz2, posix, Reflection, pdo_mysql, shmop, SimpleXML, soap, sockets, sodium, mysqli, sysvsem, tokenizer, xml, xmlreader, xmlwriter, zip, bt_safe, fileinfo, imap, exif, yaf, yac, Phar, gmp, mailparse, Zend OPcache
+------------------------------------------+---------+------------------------------------------+
| Flarum Extensions                        |         |                                          |
+------------------------------------------+---------+------------------------------------------+
| ID                                       | Version | Commit                                   |
+------------------------------------------+---------+------------------------------------------+
| flarum-flags                             | v1.8.0  |                                          |
| flarum-approval                          | v1.8.0  |                                          |
| askvortsov-auto-moderator                | v0.1.2  |                                          |
| flarum-likes                             | v1.8.0  |                                          |
| flarum-markdown                          | v1.8.0  |                                          |
| flarum-suspend                           | v1.8.0  |                                          |
| flarum-subscriptions                     | v1.8.0  |                                          |
| flarum-tags                              | v1.8.0  |                                          |
| antoinefr-money                          | v1.3.1  |                                          |
| flarum-bbcode                            | v1.8.0  |                                          |
| fof-upload                               | 1.2.3   |                                          |
| fof-sitemap                              | 2.1.0   |                                          |
| askvortsov-rich-text                     | v2.1.7  |                                          |
| flarum-lock                              | v1.8.0  |                                          |
| flarum-sticky                            | v1.8.0  |                                          |
| afrux-forum-widgets-core                 | v0.1.7  |                                          |
| fof-user-directory                       | 1.2.3   |                                          |
| fof-follow-tags                          | 1.1.7   |                                          |
| nearata-signup-confirm-password          | v3.1.0  |                                          |
| flarum-nicknames                         | v1.8.0  |                                          |
| fof-oauth                                | 1.3.1   |                                          |
| fof-byobu                                | 1.2.0   |                                          |
| datlechin-birthdays                      | v1.3.1  |                                          |
| ziiven-money-transfer                    | v0.2.5  |                                          |
| ziiven-money-leaderboard                 | v0.1.7  |                                          |
| ziiven-fireworks                         | v0.1.1  |                                          |
| ziiven-decoration-store                  | v1.0.8  |                                          |
| zerosonesfun-essential-audio             | 1.2.1   |                                          |
| zerosonesfun-direct-links                | 3.1     |                                          |
| zequeen-acgembed-remastered              | v1.1.2  |                                          |
| webbinaro-calendar                       | 1.6.0   |                                          |
| wanecho-showfloor                        | 1.0.1   |                                          |
| wanecho-mobile-tab                       | 2.0.4   | db7a5ac7042b11ab3763d6cebc9e719779230aa9 |
| v17development-user-badges               | v1.1.0  |                                          |
| v17development-seo                       | v1.8.0  |                                          |
| v17development-blog                      | v0.6.5  |                                          |
| therealsujitk-gifs                       | v4.1.1  |                                          |
| the-turk-stickiest                       | 3.0.1   |                                          |
| the-turk-diff                            | 1.1.2   |                                          |
| ramesh-dada-bbcode-alerts                | 6.21    |                                          |
| nearata-twofactor                        | v2.2.0  |                                          |
| nearata-tags-color-generator             | v2.2.0  |                                          |
| nearata-prevent-double-posting           | 1.1.0   |                                          |
| nearata-maintenance-mode                 | 1.0.0   |                                          |
| nearata-login-notification               | 1.0.0   |                                          |
| nearata-internal-links-noreload          | v2.1.3  |                                          |
| nearata-copy-code-to-clipboard           | v2.1.0  |                                          |
| michaelbelgium-profile-views             | v8.0.2  |                                          |
| matteociaroni-public-suspensions         | v1.0.0  |                                          |
| keven1024-csdn                           | v1.1.3  |                                          |
| katosdev-signature                       | 1.1.3   |                                          |
| justoverclock-hot-discussions            | 0.1.2   |                                          |
| justoverclock-events-countdown           | 0.1.8   |                                          |
| justoverclock-be-active-user-indicator   | 0.1.0   |                                          |
| imshuzai-aplayer-metingjs-for-flarum     | 1.1.5   |                                          |
| imeepo-daily-check-in                    | v1.1.0  |                                          |
| ianm-follow-users                        | 1.3.0   |                                          |
| glowingblue-password-strength            | 3.1.0   |                                          |
| ganuonglachanh-sonic                     | 0.1.8   |                                          |
| fof-username-request                     | 1.1.2   |                                          |
| fof-user-bio                             | 1.1.1   |                                          |
| fof-terms                                | 1.2.1   |                                          |
| fof-subscribed                           | 1.1.3   |                                          |
| fof-split                                | 1.1.0   |                                          |
| fof-spamblock                            | 1.1.0   |                                          |
| fof-socialprofile                        | 1.1.5   |                                          |
| fof-share-social                         | 1.1.2   |                                          |
| fof-sentry                               | 1.2.1   |                                          |
| fof-recaptcha                            | 1.1.1   |                                          |
| fof-reactions                            | 1.1.5   |                                          |
| fof-profile-image-crop                   | 1.1.1   |                                          |
| fof-prevent-necrobumping                 | 1.1.1   |                                          |
| fof-pretty-mail                          | 1.1.1   |                                          |
| fof-polls                                | 1.3.0   |                                          |
| fof-nightmode                            | 1.5.1   |                                          |
| fof-merge-discussions                    | 1.3.1   |                                          |
| fof-links                                | 1.1.4   |                                          |
| fof-impersonate                          | 1.1.1   |                                          |
| fof-ignore-users                         | 1.2.0   |                                          |
| fof-html-errors                          | 1.1.1   |                                          |
| fof-github-autolink                      | 1.0.0   |                                          |
| fof-geoip                                | 1.1.0   |                                          |
| fof-frontpage                            | 1.1.1   |                                          |
| fof-forum-statistics-widget              | 1.1.0   |                                          |
| fof-formatting                           | 1.0.3   |                                          |
| fof-drafts                               | 1.2.2   |                                          |
| fof-disposable-emails                    | 1.0.0   |                                          |
| fof-default-user-preferences             | 1.2.0   |                                          |
| fof-default-group                        | 1.1.1   |                                          |
| fof-cookie-consent                       | 1.1.1   |                                          |
| fof-best-answer                          | 1.2.5   |                                          |
| fof-ban-ips                              | 1.0.3   |                                          |
| fof-analytics                            | 1.1.0   |                                          |
| flarumtr-mobile-search                   | v1.2    |                                          |
| flarum-statistics                        | v1.8.0  |                                          |
| flarum-pusher                            | v1.8.0  |                                          |
| flarum-mentions                          | v1.8.0  |                                          |
| flarum-lang-english                      | v1.8.0  |                                          |
| flarum-lang-chinese-simplified           | v1.3.0  |                                          |
| flarum-emoji                             | v1.8.0  |                                          |
| extiverse-mercury                        | 0.2.0   |                                          |
| davwheat-share                           | v1.1.0  |                                          |
| davwheat-ads                             | 1.2.0   |                                          |
| datlechin-traditional-rank-icons         | v0.1.1  |                                          |
| datlechin-posted-on                      | v0.2.0  |                                          |
| datlechin-offline-indicator              | v0.1.0  |                                          |
| datlechin-link-preview                   | v1.3.2  |                                          |
| datlechin-keyboard-shortcuts             | v0.1.1  |                                          |
| datlechin-discussion-overview            | v0.0.1  |                                          |
| datlechin-birthdays-widget               | v0.1.0  |                                          |
| darkle-fancybox                          | 1.1.2   |                                          |
| club-1-cross-references                  | v1.1.1  |                                          |
| clarkwinkelmann-who-read                 | 1.4.1   |                                          |
| clarkwinkelmann-reset-preferences        | 1.0.0   |                                          |
| clarkwinkelmann-popular-discussion-badge | 1.1.1   |                                          |
| clarkwinkelmann-money-to-all             | 1.0.0   |                                          |
| clarkwinkelmann-money-rewards            | 1.0.0   |                                          |
| clarkwinkelmann-group-invitation         | 1.0.2   |                                          |
| clarkwinkelmann-emojionearea             | 1.0.0   |                                          |
| clarkwinkelmann-email-whitelist          | 1.0.0   |                                          |
| clarkwinkelmann-author-change            | 1.0.3   |                                          |
| blomstra-usercard-stats                  | 0.1.2   |                                          |
| blomstra-turnstile                       | 0.1.2   |                                          |
| blomstra-fontawesome                     | 0.1.5   |                                          |
| blomstra-cache-assets                    | 0.5     |                                          |
| becod-backtotop                          | v1.1    |                                          |
| aurorum-better-iframe                    | v2.0.2  |                                          |
| askvortsov-moderator-warnings            | v0.6.1  |                                          |
| askvortsov-markdown-tables               | v1.2.1  |                                          |
| askvortsov-discussion-templates          | v0.8.3  |                                          |
| askvortsov-checklist                     | v1.3.1  |                                          |
| askvortsov-categories                    | v3.0.9  |                                          |
| antoinefr-online                         | v1.0.1  |                                          |
| afrux-news-widget                        | v0.1.1  |                                          |
+------------------------------------------+---------+------------------------------------------+
Base URL: https://edinburgh.ucsslo.cn
Installation path: /www/wwwroot/edinburgh.ucsslo.cn
Queue driver: sync
Session driver: file
Scheduler status: Active
Mail driver: smtp
Debug mode: off