Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Mail\MailServiceProvider.php:6 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Mail\MailServiceProvider.php on line 6