Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in C:\Horr\xampp\htdocs\helpdesk\app\Notifications\UserActivatedNotification.php:10 Stack trace: #0 {main} thrown in C:\Horr\xampp\htdocs\helpdesk\app\Notifications\UserActivatedNotification.php on line 10