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