Fatal error: Uncaught Error: Class "Illuminate\Notifications\Messages\SimpleMessage" not found in C:\Apache24\htdocs\erpportal\vendor\laravel\framework\src\Illuminate\Notifications\Messages\MailMessage.php:14 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\erpportal\vendor\laravel\framework\src\Illuminate\Notifications\Messages\MailMessage.php on line 14