Fatal error: Uncaught Error: Class "Magento\Framework\View\Element\UiComponent\Factory\HtmlContentFactory" not found in /var/www/magento/html/generated/code/Magento/Framework/View/Element/UiComponent/Factory/HtmlContentFactory/Proxy.php:7 Stack trace: #0 {main} thrown in /var/www/magento/html/generated/code/Magento/Framework/View/Element/UiComponent/Factory/HtmlContentFactory/Proxy.php on line 7