Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php:30 Stack trace: #0 {main} thrown in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php on line 30