I'm getting the following error when External Load is used

Hi I'm getting the following error when External Load is used on a mapped doamain

Active Rules:
- Visitor is not logged in

GET http://example.com/wp-admin/admin-ajax.php?callback=po_a&popoverajaxact…p%3A%2F%2Flubsedutime.com%2F&thereferrer=&active_popover=0&_=1399048716681 403 (Forbidden) jquery.js:4
send jquery.js:4
n.extend.ajax jquery.js:4
async_load_popover public.js:144
init public.js:177
(anonymous function) public.js:202
j jquery.js:2
k.fireWith jquery.js:2
n.extend.ready jquery.js:2
K jquery.js:2