Fatal error: Uncaught Error: Class "MercadoPago\Client\MercadoPagoClient" not found in /home/roberto2666/portalchines.com.br/vendor/mercadopago/dx-php/src/MercadoPago/Client/Preference/PreferenceClient.php:16 Stack trace: #0 {main} thrown in /home/roberto2666/portalchines.com.br/vendor/mercadopago/dx-php/src/MercadoPago/Client/Preference/PreferenceClient.php on line 16