General Support: I have some problems by integration (phpbb)

i will integration Plogger and phpbb but it do not work.
i am have a error

Fatal error: Cannot redeclare generate_pagination() (previously declared in /www/htdocs/w00c108d/plogger/includes/functions.php:2019) in /www/htdocs/w00c108d/plogger/plog-includes/plog-functions.php on line 1254

sorry for my bad engl


My Code is

<?php
/**
*
* @author Tobi Schäfer http://www.phpbb-seo.de/
*
* @package phpBB3
* @version $Id: impressum.php, V0.1.6 2008-08-21 18:08:26 tas2580 $
* @copyright (c) 2008 SEO phpBB phpbb-seo.de
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/

/**
* @ignore
*/
define('IN_PHPBB', true);
$phpbb_root_path = './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);

// Start session management
$user->session_begin();
$auth->acl($user->data);
$user->setup('mods/gallerie');



require("plogger/plogger.php");
the_plogger_head();
the_plogger_gallery();


page_header($user->lang['gallerie']);

$template->set_filenames(array(
'body' => 'gallerie.html')
);

page_footer();

?>