Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/flighto/e-commerce/vendor/lexik/jwt-authentication-bundle/Event/AuthenticationSuccessEvent.php:14 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/lexik/jwt-authentication-bundle/Event/AuthenticationSuccessEvent.php on line 14