app/views/shared/_form_errors.html.erb
<% if object.likeno_errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(object.likeno_errors.count, "error") %> prohibited this <%= object.class.to_s %> from being saved:</h2>
<ul>
<% object.likeno_errors.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>