lungionut on "[Plugin: WordPress SEO by Yoast] Sitemap for tags not appearing in Webmaster Tools by Google"

My sitemap for tags was down from google webmaster tools appear an error.
The post,page,category sitemap is ok but Tags don't appear.
This is my sitemap page: downloadhack.net/sitemap_index.xml
I need a litle bit help here!
Thanks in advance!

http://wordpress.org/extend/plugins/wordpress-seo/