Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in C:\webserver\data\htdocs\api\vendor\laravel\framework\src\Illuminate\Mail\MailServiceProvider.php:8 Stack trace: #0 {main} thrown in C:\webserver\data\htdocs\api\vendor\laravel\framework\src\Illuminate\Mail\MailServiceProvider.php on line 8