Fatal error: Uncaught Error: Interface "MobileFrontend\Hooks\BeforePageDisplayMobileHook" not found in /var/www/html/extensions/MobileFrontend/includes/Hooks/HookRunner.php:20 Stack trace: #0 {main} thrown in /var/www/html/extensions/MobileFrontend/includes/Hooks/HookRunner.php on line 20