Warning: Undefined variable $block in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/author/list.phtml on line 7

Fatal error: Uncaught Error: Call to a member function getAuthors() on null in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/author/list.phtml:7 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/view/frontend/templates/author/list.phtml on line 7