ajax is not defined

[illucent]

console output:

Uncaught TypeError: Cannot read property 'ajax' of undefined
ibacor_profile @ VM958:1
ibacor_fb_streaming @ VM958:1
(anonymous function) @ (index):422
n.Callbacks.j @ jquery.min.js:2
n.Callbacks.k.fireWith @ jquery.min.js:2
n.extend.ready @ jquery.min.js:2
I @ jquery.min.js:2

works in plain index.html but not inside wordpress at url http://augustin.pl.ua/devpage