Fatal error: Uncaught Error: Class "Magento\GiftCardAccount\Block\Checkout\Onepage\Payment\Additional" not found in /var/www/magento/html/generated/code/Magento/GiftCardAccount/Block/Checkout/Onepage/Payment/Additional/Interceptor.php:7 Stack trace: #0 {main} thrown in /var/www/magento/html/generated/code/Magento/GiftCardAccount/Block/Checkout/Onepage/Payment/Additional/Interceptor.php on line 7