PartKeepr\CategoryBundle\Exception\RootMayNotBeDeletedException::__construct PHP Method

__construct() public method

public __construct ( $message = '', $code, Exception $previous = null )
$previous Exception
    public function __construct($message = '', $code = 0, \Exception $previous = null)
    {
        parent::__construct('The root node may not be deleted', $code, $previous);
    }
RootMayNotBeDeletedException