Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Event\AuthenticationEvent' not found in /home/srv1clbr/public_html/sport43app/vendor/symfony/security-core/Event/AuthenticationSuccessEvent.php:17 Stack trace: #0 {main} thrown in /home/srv1clbr/public_html/sport43app/vendor/symfony/security-core/Event/AuthenticationSuccessEvent.php on line 17