Fatal error: Uncaught Error: Class 'Sly\NotificationPusher\Collection\AbstractCollection' not found in /home/app/htdocs/ninja/vendor/sly/notification-pusher/src/Sly/NotificationPusher/Collection/PushCollection.php:23
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/sly/notification-pusher/src/Sly/NotificationPusher/Collection/PushCollection.php on line 23