Fatal error: Uncaught Error: Class "Magento\Backend\Block\Widget\Grid\Extended" not found in /var/www/magento/html/app/code/Aheadworks/Blog/Block/Adminhtml/Widget/Instance/Grid/AbstractGrid.php:26 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/Block/Adminhtml/Widget/Instance/Grid/AbstractGrid.php on line 26