Pligg Support - Error when submit rss.php to Google Webmasters When submiting the link like a sitemap for google webmasters I got this error: "This tag is missing the required attribute. Please add it and resubmit". If I submit 20 URLs... I get 20 errors. Why?? I'm using pligg rc2 Fri, 26 Jul 2013 15:05:05 UTC en <![CDATA[Answer #107]]> Sat, 27 Jul 2013 14:52:22 UTC Yankidank 1 107