Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /home/defenders/public_html/0255_projects/school_sys_v2/backend/app/Notifications/AssignmentGraded.php:11 Stack trace: #0 {main} thrown in /home/defenders/public_html/0255_projects/school_sys_v2/backend/app/Notifications/AssignmentGraded.php on line 11