[Plugin: Google XML Sitemaps] Generation of sitemap.xml stops up!

When I try to run manually it dos not finish the building of sitemap.xml.

There is no errors in the file or with the debug on.
I have set it to only log static pages witch there is only one.
It’s stop with a 500 error.

here is what it writes before stopping:
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<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="http://blog.winesworld.com/wp-content/plugins/google-sitemap-generator/sitemap.xsl"?><!-- generator="wordpress/2.6" --><!-- sitemap-generator-url="http://www.arnebrachhold.de" sitemap-generator-version="3.1.0.1" --><!-- generated-on="July 24, 2008 4:37 pm" --><urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">    <url>
        <loc>http://blog.website.com/?page_id=4</loc>
        <lastmod>2008-07-03T09:54:23+00:00</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.6</priority>
    </url>

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