Showing /app/app/views/users/show.html.erb where line #177 raised:

Can't resolve image into URL: undefined method `persisted?' for nil:NilClass
Extracted source (around line #177):
175
176
177
178
179
180
              
<%= image_tag(book.photo.image_url, :class => 'fav-book-cover') %>
<% else %>
<%= link_to image_tag(book.photo, :class => 'fav-book-cover'), external_book_url(book) %>
<% end %>
</div>
<div class="col-xs-9 meta">

Rails.root: /app

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"j-mike"}

Response

Headers:

None