vicusbass on "[Plugin: WordPress SEO by Yoast] Sitemap issue: XML Parsing Error: not well-formed"

I am using WOrdpress SEO 1.4.15 and I get this when trying to open the Sitemap:

XML Parsing Error: not well-formed
Location: http://brightid.ro/main-sitemap.xsl
Line Number 191, Column 34: b[c] += ( window.postMessage && request ? ' ' : ' no-' ) + cs;
------------------------------------------------------^

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