[BUG][OSX 10.9 - Xcode5] @frank setup - (NoMethodError) decide_on_project

[aoopvn]

I got this error message when running frank setup,

create ....(many other stuffs)
create  Frank/plugins
/Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/frank-cucumber-1.2.2/lib/frank-cucumber/frankifier.rb:66:in `decide_on_project': private method `open' called for Xcodeproj::Project:Class (NoMethodError)
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/frank-cucumber-1.2.2/lib/frank-cucumber/frankifier.rb:21:in `frankify!'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/frank-cucumber-1.2.2/lib/frank-cucumber/frankifier.rb:9:in `frankify!'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/frank-cucumber-1.2.2/lib/frank-cucumber/cli.rb:48:in `setup'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/thor-0.17.0/lib/thor/task.rb:27:in `run'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/thor-0.17.0/lib/thor/invocation.rb:120:in `invoke_task'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/thor-0.17.0/lib/thor.rb:344:in `dispatch'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/thor-0.17.0/lib/thor/base.rb:434:in `start'
    from /Users/aoopvn/.rvm/gems/ruby-2.0.0-p0/gems/frank-cucumber-1.2.2/bin/frank:5:in `<top (required)>'
    from /Users/aoopvn/.rvm/rubies/ruby-2.0.0-p0/bin/frank:23:in `load'
    from /Users/aoopvn/.rvm/rubies/ruby-2.0.0-p0/bin/frank:23:in `<main>'

It does not work either with frank setup or bundle exec frank setup (with a Gemfile), already got this
Here my dev env:

• Mac Mavericks 10.9.1
• Xcode 5.0.2
• ruby 2.0
• frank-cucumber-1.2.2

gem update --system
Latest version currently installed.

Thanks a lot for your support.