Because `visible` column is a bool, not an int. The bug is present in the [0.x branch and last stable release](https://github.com/bernardphp/bernard/blob/0.x/src/Bernard/Driver/DoctrineDriver.php#L72), but it's [fixed on master branch](https://github.com/bernardphp/bernard/blob/master/src/Driver/Doctrine/Driver.php#L55)
Because
visiblecolumn is a bool, not an int.The bug is present in the 0.x branch and last stable release, but it's fixed on master branch