Fatal error: Uncaught Error: Class "Flarum\Foundation\AbstractServiceProvider" not found in /home/sardosne/flarum.sardos.net/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php:18 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/flarum/core/src/Extension/ExtensionServiceProvider.php on line 18