Fatal error: Uncaught Error: Interface "MobileFrontend\Devices\DeviceDetector" not found in /var/www/html/extensions/MobileFrontend/includes/Devices/DeviceDetectorService.php:17 Stack trace: #0 {main} thrown in /var/www/html/extensions/MobileFrontend/includes/Devices/DeviceDetectorService.php on line 17