Ruby on rails error

ruby-talk
1

Hi,

I tried to reinstall but get the same error:

gem install rails --include dependencies
Attempting local installation of 'rails'
Local gem file not found: rails*.gem
Attempting remote installation of 'rails'
/usr/lib64/site_ruby/1.8/rubygems.rb:204:in `report_activate_error':
Could not find RubyGem sources (> 0.0.0) (Gem::LoadError)
        from /usr/lib64/site_ruby/1.8/rubygems.rb:141:in `activate'
        from /usr/lib64/site_ruby/1.8/rubygems.rb:37:in
`require_gem_with_options'
        from /usr/lib64/site_ruby/1.8/rubygems.rb:31:in `require_gem'
        from
/usr/lib64/site_ruby/1.8/rubygems/remote_installer.rb:425:in `sources'
        from
/usr/lib64/site_ruby/1.8/rubygems/remote_installer.rb:435:in
`source_index_hash'
        from
/usr/lib64/site_ruby/1.8/rubygems/remote_installer.rb:399:in `install'
        from /usr/lib64/site_ruby/1.8/rubygems/gem_commands.rb:195:in
`execute'
        from /usr/lib64/site_ruby/1.8/rubygems/gem_commands.rb:153:in
`execute'
        from /usr/lib64/site_ruby/1.8/rubygems/command.rb:49:in
`invoke'
        from /usr/lib64/site_ruby/1.8/rubygems/cmd_manager.rb:94:in
`process_args'
        from /usr/lib64/site_ruby/1.8/rubygems/cmd_manager.rb:67:in
`run'
        from /usr/lib64/site_ruby/1.8/rubygems/gem_runner.rb:13:in
`run'
        from /usr/bin/gem:17

Thanks
H