Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in D:\xampp\htdocs\_runing\sales-manager-system\vendor\laravel\framework\src\Illuminate\Auth\Notifications\VerifyEmail.php:12 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_runing\sales-manager-system\vendor\laravel\framework\src\Illuminate\Auth\Notifications\VerifyEmail.php on line 12