Url error generated

when generating the "sitemap" shows "/ a" in the url

example:

Code:

<url>
  <loc>http://www.nforo.net/a/43570-descarga-nach-scratch-discografia-completa-full-gratis-mu.html</loc>
  <priority>0.6249</priority>
  <lastmod>2011-04-26T01:44:43+00:00</lastmod>
  <changefreq>yearly</changefreq>
</url>
<url>
  <loc>http://www.nforo.net/a/44112-2007-alejandro-sanz-el-tren-de-los-momentos.html</loc>
  <priority>0.5514</priority>
  <lastmod>2011-04-26T01:44:43+00:00</lastmod>
  <changefreq>yearly</changefreq>
</url>
<url>
  <loc>http://www.nforo.net/a/44111-alice-cooper-greatest-hits.html</loc>
  <priority>0.5176</priority>
  <lastmod>2011-04-26T01:44:43+00:00</lastmod>
  <changefreq>yearly</changefreq>
</url>

would have to show the name of the subforum

Hello,

You are using VERY outdated software that is no longer supported. You should upgrade to modern versions of vbseo/vbseo sitemap generator which will likely clear this error as well.