Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\User\UserInterface' not found in /var/www/vhosts/kavli-live/src/Kavli/KavliBundle/Entity/Admin.php:13 Stack trace: #0 {main} thrown in /var/www/vhosts/kavli-live/src/Kavli/KavliBundle/Entity/Admin.php on line 13