Fatal error: Uncaught Error: Class 'Illuminate\Mail\Transport\Transport' not found in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Mail\Transport\MailgunTransport.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Mail\Transport\MailgunTransport.php on line 8