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