couldn't find file 'jquery-ui'

 Sprockets::FileNotFound in Active_admin/devise/sessions#new

Showing .rvm/gems/ruby-1.9.2-p320/gems/activeadmin-0.6.0/app/views/layouts/active_admin_logged_out.html.erb where line #12 raised: 

Solution:

Change gem "jquery-rails"

to 

gem "jquery-rails", "2.3.0"

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Regards,
Pavan