私がrefinerycmsを使用して作成したエンジンのいずれかからデータを編集しようとすると、以下のエラーが発生し続けます。これは何が原因で、どのようにトラブルシューティングできますか?
エラー
NameError in Refinery/success_stories/admin/success_stories#edit
Showing /Users/tomcaflisch/Sites/PersonalTrainingKT/app/views/refinery/admin/_form_actions.html.erb where line #59 raised:
undefined local variable or method `delete_url' for #<#<Class:0x007fd0e6282f08>:0x007fd0e33d6fd8>
Extracted source (around line #59):
56: :id => cancel_button_id,
57: :class => "close_dialog button") unless hide_cancel %>
58:
59: <%= local_assigns[:after_cancel_button] -%>
60: </div>
61: <div class='form-actions-right'>
62: <%= local_assigns[:before_delete_button] -%>
/refinery/success_stories/admin/success_stories/edit.html.erb
<%= render 'form' %>
/refinery/success_stories/admin/success_stories/_form.html.erb
<%= form_for [refinery, :success_stories_admin, @success_story] do |f| -%>
<%= render '/refinery/admin/error_messages',
:object => @success_story,
:include_object_name => true %>
<div class='field'>
<%= f.label :name -%>
<%= f.text_field :name, :class => 'larger widest' -%>
</div>
<div class='field'>
<%= f.label :goal -%>
<%= f.text_field :goal -%>
</div>
<div class='field'>
<%= f.label :occupation -%>
<%= f.text_field :occupation -%>
</div>
<div class='field'>
<%= f.label :age -%>
<%= f.text_field :age -%>
</div>
<div class='field'>
<%= f.label :beginning_weight -%>
<%= f.text_field :beginning_weight -%>
</div>
<div class='field'>
<%= f.label :current_weight -%>
<%= f.text_field :current_weight -%>
</div>
<div class='field'>
<%= f.label :gym -%>
<%= f.text_field :gym -%>
</div>
<div class='field'>
<%= f.label :before_image -%>
<%= render '/refinery/admin/image_picker',
:f => f,
:field => :before_image_id,
:image => @success_story.before_image,
:toggle_image_display => false %>
</div>
<div class='field'>
<%= f.label :after_image -%>
<%= render '/refinery/admin/image_picker',
:f => f,
:field => :after_image_id,
:image => @success_story.after_image,
:toggle_image_display => false %>
</div>
<div class='field'>
<div id='page-tabs' class='clearfix ui-tabs ui-widget ui-widget-content ui-corner-all'>
<ul id='page_parts'>
<% [:story].each_with_index do |part, part_index| %>
<li class='ui-state-default<%= ' ui-state-active' if part_index == 0 %>'>
<%= link_to t("#{part}", :scope => "activerecord.attributes.refinery/success_stories/success_story", :default => part.to_s.titleize), "##{part}" %>
</li>
<% end %>
</ul>
<div id='page_part_editors'>
<% [:story].each do |part| %>
<div class='page_part' id='<%= part %>'>
<%= f.text_area part, :rows => 20, :class => 'wymeditor widest' -%>
</div>
<% end %>
</div>
</div>
</div>
<%= render '/refinery/admin/form_actions', :f => f,
:continue_editing => false,
:delete_title => t('delete', :scope => 'refinery.success_stories.admin.success_stories.success_story'),
:delete_confirmation => t('message', :scope => 'refinery.admin.delete', :title => @success_story.name) %>
<% end -%>
<% content_for :javascripts do %>
<script>
$(document).ready(function(){
page_options.init(false, '', '');
});
</script>
<% end %>