Magento\Quote\Model\Webapi\ParamOverriderCartId\Proxy Magento\Quote\Model\ResourceModel\Quote\Collection\Proxy Magento\Customer\Model\Address\Config\Proxy Magento\Quote\Model\Quote\Address\Relation QuoteAddressRelationsComposite Magento\Quote\Model\Quote\Relation QuoteRelationsComposite Magento\Quote\Model\ValidationRules\AllowedCountryValidationRule Magento\Quote\Model\ValidationRules\ShippingAddressValidationRule Magento\Quote\Model\ValidationRules\ShippingMethodValidationRule Magento\Quote\Model\ValidationRules\BillingAddressValidationRule Magento\Quote\Model\ValidationRules\PaymentMethodValidationRule Magento\Quote\Model\ValidationRules\MinimumAmountValidationRule Some addresses can't be used due to the configurations for specific countries. Please check the shipping address information. The shipping method is missing. Select the shipping method and try again. Please check the billing address information. Enter a valid payment method and try again.