[Plugin: Event Calendar / Scheduler] Errors when adding link to post

When trying to add a link to a post, I get the following errors on the page and it will not add it (works fine to add it directly to the calendar though…just not in a post). Any ideas?

Message: ‘dhtmlxCalendarObject’ is undefined
Line: 116
Char: 2
Code: 0
URI: http://www.badgerhonorflight.org/new/wp-content/plugins/event-calendar-scheduler/mce_scheduler/dialog.php?ver=327-1235

Message: ‘startCal’ is undefined
Line: 254
Char: 2
Code: 0
URI: http://www.badgerhonorflight.org/new/wp-content/plugins/event-calendar-scheduler/mce_scheduler/dialog.php?ver=327-1235

http://wordpress.org/extend/plugins/event-calendar-scheduler/