$ rails g scaffold Review user:references book:references description:textコマンドでerror

引用テキスト###前提・実現したいこと

$ rails g scaffold Review user:references book:references description:textコマンドを実行したいのですがうまくいきません。
cloud9でおこなっています。
###発生している問題・エラーメッセージ

エラーメッセージ
DEPRECATION WARNING: Sprockets method `register_engine` is deprecated.
Please register a mime type using `register_mime_type` then
use `register_compressor` or `register_transformer`.
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors
 (called from block in <class:Railtie> at /usr/local/rvm/gems/ruby-2.3.0/gems/less-rails-2.8.0/lib/less/rails/railtie.rb:16)
DEPRECATION WARNING: You are using the a deprecated processor interface Less::Rails::ImportProcessor.
Please update your processor interface:
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors
 (called from block in <class:Railtie> at /usr/local/rvm/gems/ruby-2.3.0/gems/less-rails-2.8.0/lib/less/rails/railtie.rb:21)
/usr/local/rvm/gems/ruby-2.3.0/gems/i18n-0.8.6/lib/i18n.rb:284:in `enforce_available_locales!': :ja is not a valid locale (I18n::InvalidLocale)
        from /usr/local/rvm/gems/ruby-2.3.0/gems/i18n-0.8.6/lib/i18n/config.rb:34:in `default_locale='
        from /usr/local/rvm/gems/ruby-2.3.0/gems/i18n-0.8.6/lib/i18n.rb:35:in `default_locale='
        from /home/ubuntu/workspace/BookShelf/config/initializers/locale.rb:1:in `<top (required)>'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:286:in `load'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:286:in `block in load'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:258:in `load_dependency'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:286:in `load'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/engine.rb:655:in `block in load_config_initializer'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/notifications.rb:168:in `instrument'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/engine.rb:654:in `load_config_initializer'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/engine.rb:612:in `block (2 levels) in <class:Engine>'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/engine.rb:611:in `each'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/engine.rb:611:in `block in <class:Engine>'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:30:in `instance_exec'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:30:in `run'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:59:in `block in run_initializers'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `each'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `tsort_each_child'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `call'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `each'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `tsort_each_child'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `call'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `each'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:48:in `tsort_each_child'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `call'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `call'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/initializable.rb:58:in `run_initializers'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-5.1.3/lib/rails/application.rb:353:in `initialize!'
        from /home/ubuntu/workspace/BookShelf/config/environment.rb:5:in `<top (required)>'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:292:in `require'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:292:in `block in require'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:258:in `load_dependency'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-5.1.3/lib/active_support/dependencies.rb:292:in `require'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application.rb:102:in `preload'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application.rb:153:in `serve'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application.rb:141:in `block in run'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application.rb:135:in `loop'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application.rb:135:in `run'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-2.0.2/lib/spring/application/boot.rb:19:in `<top (required)>'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from -e:1:in `<main>'

###該当のコード
ruby on rails

###試したこと
課題に対してアプローチしたことを記載してください

###補足情報(言語/FW/ツール等のバージョンなど)
より詳細な情報