Removed the category reference for now

vendor/built_in_modules/gallery/app/views/panel/gallery/back_end/albums/_album.html.erb

@@ -11,7 +11,7 @@
   <ul class="gallery_info clearfix">
     <li class="view"><i class="icons-eye"></i> 321</li>
     <li><i class="icons-tag"></i></li>
-    <li class="albumcateg"><%= @categories.find(album.category_id).title %></li>
+    <li class="albumcateg"></li>
   </ul>
   <ul class="albumtag">
     <% @tags.each do |tag| %>