Linus Pettersson wrote in post #1046510:
> Yes, but the code in the search view is not executed again when the AJAX
> request is fired :)
>
> So, you have to do the check in your loader.js.erb and not the search
> view.
> Something like this should work:
>
> <% if @group_trace %>
> $('#loader_div').html("<%=j render(@group_trace)%>");
> <% end %>
>
> Cheers!

I tried this but I get this error

Extracted source (around line #19):

undefined method `model_name' for NilClass:Class

18:                     <div id="loader_div" name="loader_div">
19:         <%= render(@grouptrace) %>
20:       </div>

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