Warning: Undefined variable $block in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/category/details.phtml on line 4

Fatal error: Uncaught Error: Call to a member function getViewModel() on null in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/category/details.phtml:4 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/category/details.phtml on line 4