If you upgrade doctrine/dbal to version 2.13.0, you can get this error

Argument 1 passed to Symfony\Component\Security\Acl\Dbal\AclProvider::hydrateObjectIdentities() must implement interface Doctrine\DBAL\Driver\Statement, instance of Doctrine\DBAL\ForwardCompatibility\Result given, called in /srv/www-manager/vendor/symfony/security-acl/Dbal/AclProvider.php on line 468

Cause doctrine/dbal#4555