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Ruby

Why won't the Rails console open?

I am using a cloud IDE online called c9.io. I type in rails console and rails c but I just keep getting this.

/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/values/time_zone.rb:270: warning: circular argument reference - now /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:in require': cannot load such file -- test/unit/testcase (LoadError) from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:inblock in require' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:236:in load_dependency' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:inrequire' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/test_case.rb:1:in <top (required)>' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:inrequire' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:in block in require' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:236:inload_dependency' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:in require' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/console/app.rb:2:in<top (required)>' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:in require' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:inblock in require' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:236:in load_dependency' from /usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-3.2.18/lib/active_support/dependencies.rb:251:inrequire' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/application.rb:312:in initialize_console' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/application.rb:152:inload_console' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/commands/console.rb:27:in start' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/commands/console.rb:8:instart' from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-3.2.18/lib/rails/commands.rb:41:in <top (required)>' from script/rails:6:inrequire' from script/rails:6:in `<main>'

Please help! I've come so far and learned so much! I don't want the updated version.

Someone going to help?