Fatal error: Uncaught Error: Interface "FOS\UserBundle\Model\UserManagerInterface" not found in /home/fotonoma/public_html/wallabag/vendor/friendsofsymfony/user-bundle/Model/UserManager.php:23 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/friendsofsymfony/user-bundle/Model/UserManager.php on line 23