Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/security-http/Event/CheckPassportEvent.php:27 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/security-http/Event/CheckPassportEvent.php on line 27