Fatal error: Uncaught Error: Class "Magento\Backend\Block\Template" not found in /var/www/magento/html/app/code/Aheadworks/Blog/Block/Adminhtml/Page/Menu.php:28 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/Block/Adminhtml/Page/Menu.php on line 28