Fatal error: Uncaught Error: Class "MercadoPago\Entity" not found in C:\xampp\htdocs\wpsoftNew\public_html\mp\mpp\master\src\MercadoPago\Entities\Preference.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wpsoftNew\public_html\mp\mpp\master\src\MercadoPago\Entities\Preference.php on line 15