Symfony Sonata project: Input text collection JavaScript issue

Question

I am trying to add collection of input texts with add/delete buttons on admin block.

The problem is when I hit add button I get new 3 or 4 or even 5 new input fields instead of one!

The js function setup_collection_buttons called more than once hence attached more click events on HTML element .sonata-collection-add

Before clicking:

After:

Any Idea why ?

Answer 1

It seems to be a bug. I filed issue against AdminBundle

Issue on github