fixed Missing template campaigns/campaign/endpoint, campaigns/base/endpoint, application/endpoint with {:locale=>[:en], :formats=>[:json], :handlers=>[:erb, :builder, :haml, :rabl]}. Searched in: * "/app/app/views" * "/app/vendor/bundle/ruby/2.0. 0/gems/kaminari-0.14. 1/app/views" * "/app/vendor/bundle/ruby/2.0. 0/gems/devise-2.2. 3/app/views"