Page not found

<% if @post.present? && @artist.present? %>

<%= link_to @post do %> <%= tag.img src: @post.large_file_url %> <% end %>

<%= link_to "post ##{@post.id}", @post %> by <%= link_to @artist.name, posts_path(tags: @artist.name), class: tag_class(@artist) %>

<% else %>

Nobody here but us chickens!

<% end %>

<%= link_to "Return to previous page", :back %>