Ruby on Rails Sunday, November 22, 2015

This isn't related to your issue BUT, you shouldn't have <%=  on the do line... just use <%



<h2>Categories</h2>

<% @categories.group_by(&:parent_id).each do |category| %>

<%= category.name %><br>

<% end %>


On Saturday, November 21, 2015 at 2:24:51 PM UTC-7, fugee ohu wrote:
<h2>Categories</h2>
<%= @categories.group_by(&:parent_id).each do |category| %>
 <%= category.name %><br>
<% end %>

This code results in ActionController returning
undefined method `name' for #<Array:0xb48bf628> 

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