Error Log - Custom Posts

[18-Mar-2014 17:08:29 UTC] PHP Fatal error:  Uncaught exception 'Ai1ec_Event_Not_Found' with message 'Event with ID '' could not be retrieved from the database.' in /Users/james/Sites/thinkingbob.co.uk/wp-content/plugins/all-in-one-event-calendar/app/helper/class-ai1ec-events-helper.php:63
Stack trace:
#0 /Users/james/Sites/thinkingbob.co.uk/wp-content/themes/thinkingbob/functions.php(110): Ai1ec_Events_Helper::get_event(NULL)
#1 [internal function]: update_ticket_meta('')
#2 /Users/james/Sites/thinkingbob.co.uk/wp-includes/plugin.php(406): call_user_func_array('update_ticket_m...', Array)
#3 /Users/james/Sites/thinkingbob.co.uk/wp-admin/admin.php(111): do_action('admin_init')
#4 /Users/james/Sites/thinkingbob.co.uk/wp-admin/edit.php(10): require_once('/Users/james/Si...')
#5 {main}
  thrown in /Users/james/Sites/thinkingbob.co.uk/wp-content/plugins/all-in-one-event-calendar/app/helper/class-ai1ec-events-helper.php on line 63