Fatal error: Uncaught Error: Class "BookStack\Activity\Notifications\Handlers\BaseNotificationHandler" not found in /home/bimmertest/BookStack/app/Activity/Notifications/Handlers/PageCreationNotificationHandler.php:13 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/app/Activity/Notifications/Handlers/PageCreationNotificationHandler.php on line 13