For me the prototype is what breaks it, removing the line completely fixes
the situation.
On 9 Apr 2014 15:51, "Kevin Bond" <notifications@github.com> wrote:

> In README.md:
>
> >  [Symfony2 docs](http://symfony.com/doc/current/cookbook/form/form_collections.html).  This works out of the box when
> > -using the `form_bootstrap_layout.html.twig` form layout provided by this bundle.
> > +using the `form_bootstrap_layout.html.twig` form layout provided by this bundle.
> > +
> > +**Note:** Do not add the Protoype (<ul class="product" data-prototype="{{ form_widget(form.product.vars.prototype)|e }}">) or Javascript provided in the Symfony tutorial.
>
> The "prototype" needs to be there - just not the javascript.
>
> --
> Reply to this email directly or view it on GitHub<https://github.com/kbond/ZenstruckFormBundle/pull/30/files#r11439206>
> .
>