Fatal error: Call to undefined method KnpMenuMenuItem::setCurrentUri()
in ProjectBundle/Menu/Builder.php on line 23

<?php
use KnpMenuFactoryInterface;
use SymfonyComponentDependencyInjectionContainerAware;
use SymfonyComponentHttpFoundationRequest;

class Builder extends ContainerAware
{

private $factory;

public function __construct(FactoryInterface $factory)
{
    $this->factory = $factory;
}

public function createMenu(Request $request)
{

    $menu = $this->factory->createItem('root');
    $menu->setCurrentUri($request->getRequestUri());

    $menu->addChild('Home', array('route' => '_home'));
    $menu->addChild('About', array('route' => '_about'));
    $menu->addChild('Bullshit', array('route' => '_bullshit'));

    return $menu;
}
}