no options showing in select fields using editor

oist_av

I followed the "Join tables - one-to-many join" example, however in my case the select/checkbox fields for "Main Venue"/"Satellite Venue" are not filled with any data.

Please see my test case on:

http://live.datatables.net/befelofe/1/

Link to debugger info: http://debug.datatables.net/uraker

Thank you in advance for any help