sitemap error need help

Hi There
i noticed that i'm loosing traffic from google ksa since about 1 month, i went to sitemap in webmaster tools and i found much errors:

and this is the warning message::
URLs not followed
When we tested a sample of URLs from your Sitemap, we found that some URLs redirect to other locations. We recommend that your Sitemap contain URLs that point to the final destination (the redirect target) instead of redirecting to another URL.

such as in this url: http://www.lebnights.net/vb/sitemap_archive_1.xml.gz
Details:
HTTP Error: 301

URL: ÇáãäÊÏì ÇáÚÇã [ÇáÃÑÔíÝ] - ÇáÕÝÍÉ 36 - ãäÊÏíÇÊ áíÇáí áÈäÇä



this is my sitemap index:
http://www.lebnights.net/vb/sitemap_index.xml.gz

how can you help me? any good option in vbseo that may make better seo?

Hello,
If you are using the vbseo rewrite of the archive, you should not include the archive urls in your sitemap options.