Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\User\UserInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth-server-bundle/Tests/Functional/TestBundle/Entity/User.php:20 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/friendsofsymfony/oauth-server-bundle/Tests/Functional/TestBundle/Entity/User.php on line 20