Fatal error: Uncaught Error: Interface "MediaWiki\User\Hook\UserGetDefaultOptionsHook" not found in C:\xampp\htdocs\extensions\Math\src\HookHandlers\PreferencesHooksHandler.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Math\src\HookHandlers\PreferencesHooksHandler.php on line 10