Warning: Undefined variable $postModel in /home/hffazmvp/public_html/index.php on line 40

Fatal error: Uncaught Error: Call to a member function getPostById() on null in /home/hffazmvp/public_html/index.php:40 Stack trace: #0 {main} thrown in /home/hffazmvp/public_html/index.php on line 40