Event Espresso Shortcode not working [ESPRESSO_CALENDAR]

http://www.freshfields.org.uk/events-calendar-2/

Hi I have decided to try Event espresso Lite to see if it will be a good solution for selling tickets through an events calendar. The problem is when i add the [ESPRESSO_CALENDAR] shortcode to drop in the calendar the calendar does not show? I have set up a test event to test but it still won't show... could you take a look at what the problem may be? could you see if its clashing with something? I have enabled access. Pls see screen grab.

Many thanks