Error in crontab

[Lindsay]

I get this when i run it in crontab,it hasnt run since 7. dec i run socket server on my server as i run a chat

<h4>An error occured: <b>There was an error while retrieving the URL specified:</b> [ External links are visible to forum administrators only ]<br><b>Error message:</b> Error opening socket to [ External links are visible to forum administrators only ]<br><b>HTTP headers follow:</b><br><br><b>HTTP output:</b><br></h4><script>
top.location = 'index.php?op=config&errmsg=%3Cb%3EThere+was+an+error+while+retrieving+the+URL+specified%3A%3C%2Fb%3E+http%3A%2F%2Fwww.dreambox-center.com%2F%3Cbr%3E%3Cb%3EError+message%3A%3C%2Fb%3E+Error+opening+socket+to+www.dreambox-center.com%3Cbr%3E%3Cb%3EHTTP+headers+follow%3A%3C%2Fb%3E%3Cbr%3E%3Cbr%3E%3Cb%3EHTTP+output%3A%3C%2Fb%3E%3Cbr%3E'
</script>

[XML-Sitemaps Support]

Hello,

please try to specify your server's IP address in sitemap generator configuration.