Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Acl\Model\AclProviderInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security-acl/Dbal/AclProvider.php:37 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security-acl/Dbal/AclProvider.php on line 37