gistfile1.erb

# edit

<h1>Edit user</h1>

<%= form_for(@user) do |f| %>
  <%= render :partial => "shared/error_messages", :locals => { :object => f.object } %>
  <%= render 'fields', :f => f %>
	<div class="actions">
		<%= f.submit "Update" %>
	</div>
<% end %>

<div>
  <%= gravatar_for @user %>
  <a href="http://gravatar.com/emails" target="new">change</a>
</div>



#shared/error_messages

<% if object.errors.any? %>
  <div id="error_explanation">
    <h2>
      <%= pluralize(object.errors.count, "error") %>
      prohibited this <%= object.class.to_s %> from being saved:
    </h2>
    <p>There were problems with the following fields:</p>
    <ul>
    <% object.errors.full_messages.each do |message| %>
      <li><%= message %></li>
    <% end %>
  </div>
  
<% end %>

gistfile2.erb

Showing /Users/brentvatne/rails_projects/sample_app/app/views/shared/_error_messages.html.erb where line #1 raised:

undefined local variable or method `object' for #<#<Class:0x000001012c2638>:0x000001012bf668>
Extracted source (around line #1):

1: <% if object.errors.any? %>
2:   <div id="error_explanation">
3:     <h2>
4:       <%= pluralize(object.errors.count, "error") %>


##### from stack trace

app/views/shared/_error_messages.html.erb:1:in `_app_views_shared__error_messages_html_erb__3866027758567222401_2155351040_2812652737701224448'
actionpack (3.0.5) lib/action_view/template.rb:135:in `block in render'