ruby on rails - heroku not working /heroku/commands/pgbackups.rb:9:in `<class:Pgbackups>': uninitialized constant Heroku::Command::Pgbackups::Help (NameError) -

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

i installed rvm, ruby 1.9.2, rails 3.0.1. had make new project rails new onemore. had make gemset it. after that, installed rails 3.0.1 in gemset too, , bundle install. after installed heroku gem install heroku. have no idea how fix problem... reinstalled everything, same...
idea, or hint?

thanks:koli

have enabled pgbackup addon in heroku? like

$ sudo gem install heroku

$ heroku addons:add pgbackups:basic

$ heroku pgbackups:capture


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