Fatal error: Uncaught Error: Class "Symfony\Component\Console\Event\ConsoleEvent" not found in /home/marstests/tanrail1.marstests.online/vendor/symfony/console/Event/ConsoleCommandEvent.php:22 Stack trace: #0 {main} thrown in /home/marstests/tanrail1.marstests.online/vendor/symfony/console/Event/ConsoleCommandEvent.php on line 22