Fatal error: Uncaught Error: Class 'Symfony\Contracts\EventDispatcher\Event' not found in /home/itscm/dev.its.cm/webservices/vendor/symfony/security-http/Event/LoginFailureEvent.php:28 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webservices/vendor/symfony/security-http/Event/LoginFailureEvent.php on line 28