Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /var/www/html/usophy/vendor/symfony/http-kernel/EventListener/SurrogateListener.php:27
Stack trace:
#0 {main}
thrown in /var/www/html/usophy/vendor/symfony/http-kernel/EventListener/SurrogateListener.php on line 27