heroku not working /heroku/commands/pgbackups.rb:9:in `<class:Pgbackups>': uninitialized constant He

Hi!

If i tipe heroku in console i become this:

~onemore~>heroku /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/commands/pgbackups.rb:9:in `<class:Pgbackups>': uninitialized constant Heroku::Command::Pgbackups::Help (NameError)

    from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/commands/pgbackups.rb:6:in `<module:Command>'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/commands/pgbackups.rb:5:in `<top (required)>'   from <internal:lib/rubygems/custom_require>:29:in `require'   from <internal:lib/rubygems/custom_require>:29:in `require'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/command.rb:5:in `block in <top (required)>'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/command.rb:5:in `each'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/lib/heroku/command.rb:5:in `<top (required)>'   from <internal:lib/rubygems/custom_require>:29:in `require'   from <internal:lib/rubygems/custom_require>:29:in `require'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/gems/heroku-1.13.1/bin/heroku:7:in `<top (required)>'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/bin/heroku:19:in `load'   from /home/koli/.rvm/gems/ruby-1.9.2-p0@onemore/bin/heroku:19:in `<main>'

I installed rvm, then ruby 1.9.2, then rails 3.0.1. Then i had make a new project with rails new onemore. I had make a gemset for it. After that, i installed rails 3.0.1 in that gemset too, and then bundle install. After that i installed heroku with gem install heroku. I have no idea how to fix this problem... I reinstalled everything, but the same...

Thanks:Koli