Warning: Undefined variable $block in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/post/prev_next.phtml on line 8

Fatal error: Uncaught Error: Call to a member function getPrevPost() on null in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/post/prev_next.phtml:8 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/post/prev_next.phtml on line 8