Fatal error: Uncaught Error: Class "Symfony\Component\Messenger\Event\AbstractWorkerMessageEvent" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/messenger/Event/WorkerMessageHandledEvent.php:19 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/messenger/Event/WorkerMessageHandledEvent.php on line 19