Uncaught TypeError: Cannot read property 'extend' of undefined'

[#1]

Hi,

During execution, I am getting the error in the clientslib (Using AEM 6.1)

Search.MultiFieldKeyAndValueWidget = CQ.Ext.extend(CQ.form.CompositeField, { 

(refer attachment)

Can you please give some idea what might be missing ?

Screen Shot 2016-03-08 at 4.22.01 AM.png ‏49 KB

[#2]

See this community article that shows you how to successfully do this: 

http://scottsdigitalcommunity.blogspot.ca/2014/03/creating-your-first-adobe-experience.html

It discusses how to successfully use this API as part of a component dialog. 

[#3]

is this author instance or publish?

[#4]

Could you able to resolve this issue?