Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Event\ConsoleEvent' not found in /home/edmedu/www/edmtw.com/dev.bak/vendor/symfony/console/Event/ConsoleExceptionEvent.php:27 Stack trace: #0 {main} thrown in /home/edmedu/www/edmtw.com/dev.bak/vendor/symfony/console/Event/ConsoleExceptionEvent.php on line 27