Error loading component: com_k2, 1

[IanH]

This error message shows on the site map page despite my not having K2 installed. It disappears if I DO install K2 - but that's not really an ideal solution.

All relevant extensions are enabled, Joomla 2.5.8, fresh Xmap 2.3.2 install this morning. Link to site:
http://www.childrenfriendlyholidays.co.uk/sitemap

Your thoughts appreciated

Ian