Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in C:\xampp\htdocs\bilipoa\vendor\spatie\laravel-health\src\Notifications\CheckFailedNotification.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\spatie\laravel-health\src\Notifications\CheckFailedNotification.php on line 14