Fatal error: Uncaught Error: Class "MercadoPago\Config\AbstractConfig" not found in C:\xampp\htdocs\wpsoft\mp\mpp\src\MercadoPago\Config.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wpsoft\mp\mpp\src\MercadoPago\Config.php on line 11