title: Missing XML tag This required tag is missing. Please add it and resubmit
body: <p>I'm having trouble with the following <a href="http://codingforspeed.com/forum/sitemap.php" rel="nofollow noreferrer">sitemap</a>:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=1&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=3&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=4&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=5&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=6&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
    &lt;sitemap&gt;
      &lt;loc&gt;http://codingforspeed.com/forum/sitemap.php?fid=7&lt;/loc&gt;
      &lt;lastmod&gt;2015-07-06 12:42:18&lt;/lastmod&gt;
    &lt;/sitemap&gt;
  &lt;/sitemapindex&gt;
  </code></pre>
  
  <p>It is validated perfectly, but when I submit to google web master it complains:</p>
  
  <blockquote>
  <pre><code>Missing XML tag
  This required tag is missing. Please add it and resubmit.
  </code></pre>
  </blockquote>
  
  <p><img src="https://i.stack.imgur.com/Ri3O3.png" alt="Google Doesn&#39;t Like it"></p>