Fatal error: Uncaught Error: Class "Spatie\Backup\Notifications\Notifications\BackupHasFailedNotification" not found in C:\xampp\htdocs\guestoque\app\Notifications\BackupHasFailedNotification.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\guestoque\app\Notifications\BackupHasFailedNotification.php on line 8