Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Mail\Factory' not found in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Mail\MailManager.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Mail\MailManager.php on line 28