Google Maps Plugin Bug

When I am on the post/page editor, and click the insert google maps icon, a popup window opens but there is no map displayed. This happens in any browser.

The error I get is

TypeError: $(...).dialog is not a function
http://WEBSITEDOMAIN.com/wp-content/plugins/wpmu_dev_maps_plugin/js/google_maps_admin.js?ver=3.5.1
Line 275