Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /usr/www/lv2az/public/notbomb/youtopia/phpbb/install/event/kernel_exception_subscriber.php:29
Stack trace:
#0 {main}
thrown in /usr/www/lv2az/public/notbomb/youtopia/phpbb/install/event/kernel_exception_subscriber.php on line 29