Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /var/www/html/repo/school-infix-v6.0/app/Notifications/LeaveApprovedNotification.php:12 Stack trace: #0 {main} thrown in /var/www/html/repo/school-infix-v6.0/app/Notifications/LeaveApprovedNotification.php on line 12