Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/alkhalaffamily/public_html/teachme/vendor/symfony/console/Event/ConsoleEvent.php:24
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/teachme/vendor/symfony/console/Event/ConsoleEvent.php on line 24