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