Fatal error: Uncaught Error: Class "Twig_Extension" not found in /home/appvanshi/public_html/admin_panel/vendor/knplabs/knp-paginator-bundle/Twig/Extension/PaginationExtension.php:8 Stack trace: #0 {main} thrown in /home/appvanshi/public_html/admin_panel/vendor/knplabs/knp-paginator-bundle/Twig/Extension/PaginationExtension.php on line 8