Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Acl\Model\AclProviderInterface" not found in /var/www/apache/dev/cal/web/vendor/symfony/security-acl/Model/MutableAclProviderInterface.php:21 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security-acl/Model/MutableAclProviderInterface.php on line 21