Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/itscm/dev.its.cm/itsrestapi/vendor/symfony/security-core/Event/AuthenticationEvent.php:22 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsrestapi/vendor/symfony/security-core/Event/AuthenticationEvent.php on line 22