Fatal error: Uncaught Error: Class "Illuminate\Notifications\Messages\SimpleMessage" not found in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Notifications\Messages\MailMessage.php:14 Stack trace: #0 {main} thrown in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Notifications\Messages\MailMessage.php on line 14