Fatal error: Uncaught Error: Interface "Doctrine\Common\EventSubscriber" not found in /home/steevedfem/ekolaweb/vendor/friendsofsymfony/user-bundle/Doctrine/CouchDB/UserListener.php:21 Stack trace: #0 {main} thrown in /home/steevedfem/ekolaweb/vendor/friendsofsymfony/user-bundle/Doctrine/CouchDB/UserListener.php on line 21