Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home2/zpcu9479/app.gennia.fr/vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/BeforeEvent.php:12 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/BeforeEvent.php on line 12