Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /home/Filipie/public_html/mikolgallery/forum/phpBB3/ext/phpbb/viglink/event/listener.php:18 Stack trace: #0 {main} thrown in /home/Filipie/public_html/mikolgallery/forum/phpBB3/ext/phpbb/viglink/event/listener.php on line 18