Fatal error: Uncaught Error: Class "Symfony\Component\Console\Event\ConsoleEvent" not found in /home/helpdatafirst/public_html/helpapp/vendor/symfony/console/Event/ConsoleCommandEvent.php:19 Stack trace: #0 {main} thrown in /home/helpdatafirst/public_html/helpapp/vendor/symfony/console/Event/ConsoleCommandEvent.php on line 19