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