[Plugin: Google XML Sitemaps] XML Google Sitemap Generator Error in WordPress MU

Hello. Lately I get this error when trying to view the sitemap:

“Error loading stylesheet: An unknown error has occurred (805303f4)http://makeup.versatileinformationportal.com/wp-content/plugins/google-sitemap-generator/sitemap.xsl”

If I rebuild the sitemap manually it works fine. I don’t know what’s happening. Any help? Thanks in advance 🙂

http://wordpress.org/extend/plugins/google-sitemap-generator/