Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Authorization\Voter\VoterInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Authorization/Voter/ExpressionVoter.php:27 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Core/Authorization/Voter/ExpressionVoter.php on line 27