Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in C:\xampp\htdocs\ITI\uvdesk\vendor\knplabs\knp-components\src\Knp\Component\Pager\Event\Event.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ITI\uvdesk\vendor\knplabs\knp-components\src\Knp\Component\Pager\Event\Event.php on line 12