Ao requisitar via composer da essa notificação de erro de classes

[paulorlima9]

Class MercadoPago\Card located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Card.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Plan located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Plan.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\OAuth located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/OAuth.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Refund located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Refund.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\AdvancedPayments\AdvancedPayment located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/AdvancedPayments/AdvancedPayment.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\AdvancedPayments\Refund located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/AdvancedPayments/Refund.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\AdvancedPayments\DisbursementRefund located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/AdvancedPayments/DisbursementRefund.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Shipments located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shipments.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Preference located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Preference.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\CardToken located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/CardToken.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\DiscountCampaign located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/DiscountCampaign.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\AuthorizedPayment located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/AuthorizedPayment.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Item located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Item.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Documentation located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Documentation.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\TrackValues located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/TrackValues.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Track located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Track.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Payment located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Payment.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Tax located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Tax.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\PaymentMethod located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/PaymentMethod.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Payer located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Payer.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Subscription located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Subscription.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\POS located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/POS.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\MerchantOrder located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/MerchantOrder.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Preapproval located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Preapproval.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Chargeback located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Chargeback.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Invoice located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Invoice.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Customer located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Customer.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\InstoreOrder located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/InstoreOrder.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\RecuperableError located in ./vendor/mercadopago/dx-php/src/MercadoPago/Generic/RecuperableError.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\SearchResultsArray located in ./vendor/mercadopago/dx-php/src/MercadoPago/Generic/SearchResultsArray.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\ErrorCause located in ./vendor/mercadopago/dx-php/src/MercadoPago/Generic/ErrorCause.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\MercadopagoSdkTest located in ./vendor/mercadopago/dx-php/tests/MercadoPagoSdkTest.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Item located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Item.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Documentation located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Documentation.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\TrackValues located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/TrackValues.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Track located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Track.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Payment located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Payment.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Tax located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Tax.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\PaymentMethod located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/PaymentMethod.php does not comply with psr-4 autoloading standard. Skipping.
Class MercadoPago\Payer located in ./vendor/mercadopago/dx-php/src/MercadoPago/Entities/Shared/Payer.php does not comply with psr-4 autoloading standard. Skipping.

[meliguilhermefernandes]

Bom dia @paulorlima9

Existe uma discussão em aberto sobre esse problema e será resolvido com a v3 da sdk-php que ainda não possui data definida.
Link discussão

Att

Guilherme Fernandes