Fatal error: Uncaught Error: Class "Magento\Quote\Model\ValidationRules\QuoteValidationComposite" not found in /var/www/magento/html/generated/code/Magento/Quote/Model/ValidationRules/QuoteValidationComposite/Proxy.php:7 Stack trace: #0 {main} thrown in /var/www/magento/html/generated/code/Magento/Quote/Model/ValidationRules/QuoteValidationComposite/Proxy.php on line 7