Question: Just make and upgrade to rails 3.2 from 3.1.3.

The activeadmin is not getting work else is fine so far... its not ladading css files and showing this exception in admin.css file

```
Syntax error: File to import not found or unreadable: bourbon.
              Load paths:
                /home/gull/Desktop/projects/avm_web_services/public/stylesheets/sass
                /home/gull/.rvm/gems/ruby-1.9.2-p180@rails3/gems/activeadmin-0.4.0/app/assets/stylesheets
                /home/gull/.rvm/gems/ruby-1.9.2-p180@rails3/gems/activeadmin-0.4.0/lib/active_admin/sass
        on line 11 of /home/gull/.rvm/gems/ruby-1.9.2-p180@rails3/gems/activeadmin-0.4.0/app/assets/stylesheets/active_admin/mixins/_all.css.scss
        from line 1 of /home/gull/.rvm/gems/ruby-1.9.2-p180@rails3/gems/activeadmin-0.4.0/app/assets/stylesheets/active_admin/_mixins.css.scss
        from line 2 of /home/gull/.rvm/gems/ruby-1.9.2-p180@rails3/gems/activeadmin-0.4.0/lib/active_admin/sass/active_admin.scss

```

Thanks in advance

Answer: 
rails generate active\_admin:assets
I had the same problem and solved it like so (application.rb):

<https://gist.github.com/1197686>