Fatal error: Uncaught Error: Class 'Sly\NotificationPusher\Model\Message' not found in /home/app/htdocs/lidia/vendor/sly/notification-pusher/src/Sly/NotificationPusher/Model/GcmMessage.php:6 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/sly/notification-pusher/src/Sly/NotificationPusher/Model/GcmMessage.php on line 6