Xmap and XML feed errors

Question: I am using xmap to generate an xml feed for Bing Webmaster Tools. Bing returned the following error.



HTTP code: 200

Severity: Error Line: 87 Position: 2 Message: The element 'url' in namespace 'http://www.sitemaps.org/schemas/sitemap/0.9' has invalid child element 'lastmod' in namespace 'http://www.sitemaps.org/schemas/sitemap/0.9'. List of possible elements expected: any element in namespace '##other'.

Help.

Answer: The problem is xmap... Click here for full tutorial.