gistfile1.txt

I, [2015-02-25T22:10:01.672464 #12115]  INFO -- : Completed 500 Internal Server Error in 1209ms
F, [2015-02-25T22:10:01.674429 #12115] FATAL -- :
ActionView::Template::Error (undefined local variable or method `document_counter' for #<#<Class:0x007fe22d992840>:0x007fe2184b5260>):
    1: <%- if has_thumbnail?(document) && tn = render_thumbnail_tag(document, {}, :counter => document_counter_with_offset(document_counter)) %>
    2: <div class="document-thumbnail">
    3:   <%= tn %>
    4: </div>
  app/views/collections/show.html.erb:38:in `_app_views_collections_show_html_erb___378241852717519267_70304702122340'