Lately I get this error when I try to enable new installed extensions.
Flarum encountered a boot error. Details have been logged to the Flarum log file.
Flarum core: 1.8.12
PHP version: CLI: 8.3.28, Web: 8.3.28
PHP memory limit: CLI: 512M, Web: unable to detect
MySQL version: 10.6.24-MariaDB-cll-lve-log
Loaded extensions: Core, date, libxml, openssl, pcre, sqlite3, zlib, bz2, calendar, ctype, curl, hash, filter, ftp, gettext, json, iconv, SPL, pcntl, random, readline, Reflection, session, standard, mbstring, shmop, SimpleXML, tokenizer, xml, litespeed, i360, bcmath, brotli, dom, fileinfo, gd, gmp, igbinary, imagick, imap, intl, exif, mcrypt, memcached, mysqlnd, mysqli, PDO, pdo_mysql, pdo_pgsql, pdo_sqlite, pgsql, Phar, soap, tidy, xmlreader, xmlrpc, xmlwriter, xsl, zip, Zend OPcache
+-------------------------------------+--------------+------------------------------------------+-------------------------------------+
| Flarum Extensions | | | |
+-------------------------------------+--------------+------------------------------------------+-------------------------------------+
| ID | Version | Commit | Notes |
+-------------------------------------+--------------+------------------------------------------+-------------------------------------+
| flarum-flags | v1.8.2 | | |
| flarum-tags | v1.8.6 | | |
| flarum-gdpr | 1.0.0-beta.3 | | |
| flarum-approval | v1.8.2 | | |
| flarum-suspend | v1.8.5 | | |
| v17development-seo | v2.0.9 | | |
| flarum-sticky | v1.8.2 | | |
| flarum-lock | v1.8.2 | | |
| afrux-forum-widgets-core | v0.1.7 | | |
| flarum-nicknames | v1.8.2 | | |
| fof-oauth | 1.7.3 | | |
| fof-byobu | 1.4.3 | | |
| flarum-mentions | v1.8.5 | | |
| flarum-subscriptions | v1.8.1 | | |
| sycho-move-posts | v0.1.8 | | |
| v17development-blog | v0.8.0 | | |
| flarum-likes | v1.8.1 | | |
| walsgit-external-links-in-new-tab | 1.1.2 | | |
| the-turk-stickiest | 3.0.1 | | |
| justoverclock-last-users-posts | 0.3.0 | | |
| justoverclock-last-registered-users | 0.1.5 | | |
| justoverclock-custom-html-widget | 0.1.4 | | |
| justoverclock-auto-post-count-badge | 1.0.0 | | |
| ianm-syndication | 1.3.4 | | |
| ianm-online-guests | 1.0.0 | | |
| huseyinfiliz-traderfeedback | v1 | | |
| huseyinfiliz-sticky-title | v1.8 | | |
| huseyinfiliz-modern-footer | v1.1 | | |
| huseyinfiliz-custom-profile-page | 1.0 | | |
| fof-username-request | 1.2.4 | | |
| fof-user-directory | 1.4.1 | | |
| fof-user-bio | 1.4.2 | | |
| fof-upload | 1.8.8 | | |
| fof-socialprofile | 1.2.0 | | |
| fof-sitemap | 2.5.0 | | |
| fof-share-social | 1.2.0 | | |
| fof-recaptcha | 1.3.5 | | |
| fof-reactions | 1.4.1 | | |
| fof-polls | 2.3.1 | | |
| fof-nightmode | 1.6.0 | | |
| fof-moderator-notes | 1.3.0 | | |
| fof-links | 1.4.0 | | |
| fof-linguist | 1.1.6 | | |
| fof-ignore-users | 1.2.1 | | |
| fof-formatting | 1.1.2 | | |
| fof-follow-tags | 1.2.9 | | |
| fof-drafts | 1.2.13 | | |
| fof-discussion-views | 1.0.0 | | |
| fof-cookie-consent | 1.1.3 | | |
| fof-anti-spam | 1.1.4 | | |
| flarum-statistics | v1.8.1 | | |
| flarum-pusher | v1.8.1 | | |
| flarum-markdown | v1.8.1 | | |
| flarum-lang-english | v1.8.0 | | |
| flarum-lang-croatian | dev-master | e47f86a89f08dfc2f8314e014c8149525822d602 | |
| flarum-extension-manager | v1.0.7 | | |
| flarum-emoji | v1.8.1 | | |
| flarum-bbcode | v1.8.0 | | |
| ecnu-im-sticky-sidenav | v1.1.0 | | |
| dem13n-topic-starter-label | 0.1.8 | | |
| datlechin-link-preview | v1.4.0 | | |
| darkle-fancybox | 2.1.0 | | Replaced by flectar/flarum-fancybox |
| clarkwinkelmann-post-bookmarks | 1.0.0 | | |
| clarkwinkelmann-first-post-approval | 1.0.1 | | |
| clarkwinkelmann-emojionearea | 1.1.1 | | |
| askvortsov-pwa | v3.3.3 | | |
| askvortsov-moderator-warnings | v0.6.3 | | |
| askvortsov-markdown-tables | v1.2.1 | | |
| afrux-online-users-widget | v0.1.9 | | |
| afrux-forum-stats-widget | v0.1.1 | | |
| acpl-mobile-tab | 1.4.5 | | |
| acpl-lscache | v3.3.3 | | |
+-------------------------------------+--------------+------------------------------------------+-------------------------------------+
Base URL: https://audiofil.org
Installation path: /home/audiofilorg/public_html
Queue driver: sync
Session driver: file
Scheduler status: Aktivan
Mail driver: smtp
Debug mode: off
Next Flarum\Extension\Exception\ExtensionBootError: Experienced an error while booting extension: AI.
Error occurred while applying an extender of type: Flarum\Extend\ServiceProvider. in /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php:151
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#2 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#5 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#9 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#10 {main}
[2026-02-03 12:15:35] flarum.ERROR: Error: Class "Datlechin\Ai\AIServiceProvider" not found in /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php:228
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(181): Flarum\Foundation\Application->resolveProviderClass()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extend/ServiceProvider.php(41): Flarum\Foundation\Application->register()
#2 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php(149): Flarum\Extend\ServiceProvider->extend()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#5 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#9 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#10 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#11 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#12 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#13 {main}
Next Flarum\Extension\Exception\ExtensionBootError: Experienced an error while booting extension: AI.
Error occurred while applying an extender of type: Flarum\Extend\ServiceProvider. in /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php:151
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#2 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#5 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#9 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#10 {main}
[2026-02-03 12:15:37] flarum.ERROR: Error: Class "Datlechin\Ai\AIServiceProvider" not found in /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php:228
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(181): Flarum\Foundation\Application->resolveProviderClass()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extend/ServiceProvider.php(41): Flarum\Foundation\Application->register()
#2 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php(149): Flarum\Extend\ServiceProvider->extend()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#5 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#9 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#10 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#11 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#12 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#13 {main}
Next Flarum\Extension\Exception\ExtensionBootError: Experienced an error while booting extension: AI.
Error occurred while applying an extender of type: Flarum\Extend\ServiceProvider. in /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php:151
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#2 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#5 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#9 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#10 {main}
[2026-02-03 12:15:47] flarum.ERROR: Error: Class "Datlechin\Ai\AIServiceProvider" not found in /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php:228
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(181): Flarum\Foundation\Application->resolveProviderClass()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extend/ServiceProvider.php(41): Flarum\Foundation\Application->register()
#2 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php(149): Flarum\Extend\ServiceProvider->extend()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#5 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#9 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#10 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#11 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#12 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#13 {main}
Next Flarum\Extension\Exception\ExtensionBootError: Experienced an error while booting extension: AI.
Error occurred while applying an extender of type: Flarum\Extend\ServiceProvider. in /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php:151
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#2 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#5 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#9 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#10 {main}
[2026-02-03 12:15:49] flarum.ERROR: Error: Class "Datlechin\Ai\AIServiceProvider" not found in /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php:228
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(181): Flarum\Foundation\Application->resolveProviderClass()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extend/ServiceProvider.php(41): Flarum\Foundation\Application->register()
#2 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php(149): Flarum\Extend\ServiceProvider->extend()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#5 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#9 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#10 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#11 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#12 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#13 {main}
Next Flarum\Extension\Exception\ExtensionBootError: Experienced an error while booting extension: AI.
Error occurred while applying an extender of type: Flarum\Extend\ServiceProvider. in /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/Extension.php:151
Stack trace:
#0 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionManager.php(408): Flarum\Extension\Extension->extend()
#1 /home/audiofilorg/public_html/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php(31): Flarum\Extension\ExtensionManager->extend()
#2 [internal function]: Flarum\Extension\ExtensionServiceProvider->Flarum\Extension\{closure}()
#3 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(329): call_user_func()
#4 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/Application.php(270): Flarum\Foundation\Application->fireAppCallbacks()
#5 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(151): Flarum\Foundation\Application->boot()
#6 /home/audiofilorg/public_html/vendor/flarum/core/src/Foundation/InstalledSite.php(82): Flarum\Foundation\InstalledSite->bootLaravel()
#7 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(59): Flarum\Foundation\InstalledSite->bootApp()
#8 /home/audiofilorg/public_html/vendor/flarum/core/src/Http/Server.php(36): Flarum\Http\Server->safelyBootAndGetHandler()
#9 /home/audiofilorg/public_html/index.php(26): Flarum\Http\Server->listen()
#10 {main}
The solution is to remove extension and everything works fine then, without that particular extension of course. Using CloudFlare cache and LiteSpeed cache extension as well.
Any ideas perhaps?