Dropdown list / Combobox in Personas 3 problem

Hi all,

I have this problem when adding dropdown list. Setting labels and values is normal ( see pic 1) .

Then in edit mode, I can see the dropdown properly with "two" as an option ( see pic 2 )

But when I save and switch to view mode the dropdown is empty and won't open after clicking. (see pic3 - that's like clicked dropdown looks like there)

Is there some problem in our system, or is there anything that can be done to fix it?

Thanks in advace.

Regards,

Igor