Fatal error: Uncaught Error: Interface "MediaWiki\Installer\Hook\LoadExtensionSchemaUpdatesHook" not found in /var/www/html/extensions/Math/src/HookHandlers/SchemaHooksHandler.php:11 Stack trace: #0 {main} thrown in /var/www/html/extensions/Math/src/HookHandlers/SchemaHooksHandler.php on line 11