Sitemap.xml trotz Validierung angeblich falsch

<?xml version="1.0" encoding="UTF-8"?>
<sitemapindex xmlns="http://www.google.com/schemas/sitemap/0.84">

<?xml version="1.0" encoding="UTF-8"?>
   <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

<?php
/** 
*
* @author Tobi Sch&#18853;r http://www.seo-phpbb.org/
* @modded by Holger Brinkhaus http://www.icordforum.com
*
* @package phpBB3
* @version $Id: google-sitemap.php V0.1.1 2007-08-30 23:54:18 tas2580 $
* @copyright (c) 2005 phpBB Group; 2006 phpBB.de
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/

/**
* @ignore
*/

$domain_root = 'http://www.icordforum.com/'; // Edit here



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

$user->session_begin();
$auth->acl($user->data);

if (is_numeric($_GET['fid'])) {
   $fid = $_GET['fid'];
}

echo header('Content-Type: text/xml; charset=utf-8');


if (isset($fid)) {
   echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
   echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">'."\n";
  $sql = 'SELECT  forum_topics, forum_id, forum_name, forum_last_post_time FROM ' . FORUMS_TABLE . ' WHERE forum_id = "'. (int) $fid.'"';
  $result = $db->sql_query($sql);
  $forum_data = $db->sql_fetchrow($result);
 
  // Forums
  echo '<url>'. "\n";
  echo '   <loc>' . $domain_root .  'viewforum.' . $phpEx . '?f=' . $forum_data['forum_id'] . '</loc>'. "\n";
  echo '   <changefreq>hourly</changefreq>'. "\n";
  echo '</url>'. "\n";
   
   // Forums with more that 1 Page
   if ( $forum_data['forum_topics'] > $config['topics_per_page'] )
   {
      $pages = $forum_data['forum_topics'] / $config['topics_per_page'];
      for ($i = 1; $i < $pages; $i++)
      {
         $s = $s + $config['topics_per_page'];
        echo '<url>'. "\n";
        echo '   <loc>' . $domain_root .  'viewforum.' . $phpEx . '?f=' . $forum_data['forum_id'] . '&amp;start=' . $s . '</loc>'. "\n";
        if ($data['forum_last_post_time'] != 0)
         {
           echo '   <lastmod>'.date('c', $forum_data['forum_last_post_time']),'</lastmod>'. "\n";
         }
        else
         {
            echo '   <changefreq>hourly</changefreq>'. "\n";
         }
        echo '</url>'. "\n";
      }
   }

  if ($forum_data['forum_id'] == $fid) {
   $sql = 'SELECT t.topic_title, t.topic_replies, t.topic_last_post_id, t.forum_id, t.topic_type, t.topic_id, p.post_time, p.post_id
   FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
   WHERE t.forum_id = '.$fid.'
   AND p.post_id = t.topic_last_post_id
   ORDER BY t.topic_type DESC, t.topic_last_post_id DESC';
   $result = $db->sql_query($sql);
    while ($data = $db->sql_fetchrow($result))
    {
       // Topics
      echo '<url>'. "\n";
      echo '   <loc>'. $domain_root . $forum_url . 'viewtopic.' . $phpEx . '?f=' . $forum_data['forum_id'] . '&amp;t=' . $data['topic_id'] . '</loc>'. "\n";
      echo '   <lastmod>'.date('c', $data['post_time']),'</lastmod>'. "\n";
       echo '</url>'. "\n";

         // Topics with more that 1 Page
        if ( $data['topic_replies'] > $config['posts_per_page'] )
         {
            $s = 0;
            $pages = $data['topic_replies'] / $config['posts_per_page'];
            for ($i = 1; $i < $pages; $i++)
            {
               $s = $s + $config['posts_per_page'];
              echo '<url>'. "\n";
              echo '   <loc>'. $domain_root . $forum_url . 'viewtopic.' . $phpEx . '?f=' . $forum_data['forum_id'] . '&amp;t=' . $data['topic_id'] . '&amp;start=' . $s . '</loc>'. "\n";
              echo '   <lastmod>'.date('c', $data['post_time']),'</lastmod>'. "\n";
              echo '</url>'. "\n";
            }
         }
    }
  }
  echo '</urlset>';
}

else

{
  echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
  echo '  <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."\n";
   $sql = 'SELECT forum_id, forum_last_post_time FROM ' . FORUMS_TABLE;
  $result = $db->sql_query($sql);
  while($data = $db->sql_fetchrow($result))
  {
     if ($auth->acl_get('f_list', $data['forum_id']))
      {
        echo '    <sitemap>' . "\n";
      echo '       <loc>'. $domain_root .'forum-'.$data['forum_id'].'.xml</loc>'. "\n";
      if ($data['forum_last_post_time'] != 0)
       {
         echo '   <lastmod>'.date('c', $data['forum_last_post_time']),'</lastmod>'. "\n";
       }
      echo '    </sitemap>'. "\n";
    }
  }
  echo "\n".'  </sitemapindex>';
}

?>

echo header('Content-Type: text/xml; charset=utf-8');

header('Content-Type: text/xml; charset=utf-8');

Content-Type: application/xml