Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\cashier\src\CashierServiceProvider.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\cashier\src\CashierServiceProvider.php on line 13