validation issue?

just wondering what is going wrong here, the feed generated by this plugi ndoesn't validate.
is it me or the plugin? :wink:

feed: http://zice.ro/wp-content/recent-global-posts-feed.php

validator: http://feedvalidator.org/check.cgi?url=http%3A%2F%2Fzice.ro%2Fwp-content%2Frecent-global-posts-feed.php#l97