Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Ruby

Posted by askariabdurrahman
askariabdurrahman
1,610 Points

I keep keep getting the error undefined method `image' for nil:NilClass whenever I launch my code.

Whenever I try to launch my code I keep getting the error undefined method `image' for nil:NilClass for this line of code 

<%= link_to (image_tag @random_post.image.url(:medium)), post_path(@random_post) %>

How do I get rid of it?

1 Answer

Charles Lee
Charles Lee
17,825 Points
Charles Lee
Charles Lee
17,825 Points

The main problem is that your @random_post is returning nil. If your controller is creating the correct @random_post and everything else is correct you may just want to add a quick check for the @random_post. 

<% if @random_post %>
  <%= link_to (image_tag @random_post.image.url(:medium)), post_path(@random_post) %>
<% end %>

Hope this helps. :]