Fatal error: Uncaught Error: Interface "MediaWiki\Hook\CustomEditorHook" not found in /var/www/html/extensions/MobileFrontend/includes/MobileFrontendEditorHooks.php:11 Stack trace: #0 {main} thrown in /var/www/html/extensions/MobileFrontend/includes/MobileFrontendEditorHooks.php on line 11