Problem with Google Map Shortcode 3.1.1 wordpress

Hi i have a problem with this plugin. You can see it on
http://www.nobiogasguidizzolo.eu/sito/?page_id=40
What is a problem? First time i haven’t a problem but yesterday this plugin don’t work.
Ps. Please excuse me for my very terrible english

http://wordpress.org/extend/plugins/google-map-shortcode/