phpBB 3.1 Extensie: krijg het niet aan de praat

services:
    erkelens.topicphotoalbum.controller:
        class: erkelens\topicphotoalbum\controller\main
        arguments:
            - @config
            - @controller.helper
            - @template
            - @user

erkelens_topicphotoalbum_controller:
    path: /erkelens/{name}
    defaults: { _controller: erkelens.topicphotoalbum.controller:handle }

<?php
/**
*
* @package phpBB Extension - Acme Demo
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/

namespace acme\demo\controller;

class main
{
	/* @var \phpbb\config\config */
	protected $config;

	/* @var \phpbb\controller\helper */
	protected $helper;

	/* @var \phpbb\template\template */
	protected $template;

	/* @var \phpbb\user */
	protected $user;

	/**
	* Constructor
	*
	* @param \phpbb\config\config		$config
	* @param \phpbb\controller\helper	$helper
	* @param \phpbb\template\template	$template
	* @param \phpbb\user				$user
	*/
	public function __construct(\phpbb\config\config $config, \phpbb\controller\helper $helper, \phpbb\template\template $template, \phpbb\user $user)
	{
		$this->config = $config;
		$this->helper = $helper;
		$this->template = $template;
		$this->user = $user;
	}

	/**
	* Demo controller for route /demo/{name}
	*
	* @param string		$name
	* @return \Symfony\Component\HttpFoundation\Response A Symfony Response object
	*/
	public function handle($name)
	{
		$tekst = 'test';
		$this->template->assign_var('TOPICPHOTOALBUM_HTML', $tekst);

		return $this->helper->render('topicphotalbum.html', $name);
	}
}
?>

<!-- INCLUDE overall_header.html -->
{TOPICPHOTOALBUM_HTML}
<!-- INCLUDE overall_footer.html -->