YAML fail

nl:
  formtastic:
    actions:
      create: "Add"
      update: "Update"
      user:
        create: "Bla"

# Failing line:
# <%= form.commit_button %>

# trace:

#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:103:in `[]'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:103:in `block in lookup'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:102:in `each'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:102:in `inject'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:102:in `lookup'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:33:in `translate'
#/home/np/.rvm/gems/ruby/1.9.1/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb:165:in `translate'
#/home/np/.rvm/gems/ruby/1.9.1/gems/formtastic-0.9.7/lib/formtastic/i18n.rb:25:in `translate'
#/home/np/.rvm/gems/ruby/1.9.1/gems/formtastic-0.9.7/lib/formtastic.rb:1532:in `localized_string'
#/home/np/.rvm/gems/ruby/1.9.1/gems/formtastic-0.9.7/lib/formtastic.rb:321:in `commit_button'
#/home/np/work/soccer/app/views/users/new.html.erb:232:in `block (2 levels) in _run_erb_app47views47users47new46html46erb'
#/home/np/work/soccer/app/views/users/new.html.erb:230:in `block in _run_erb_app47views47users47new46html46erb'
#/home/np/work/soccer/app/views/users/new.html.erb:212:in `_run_erb_app47views47users47new46html46erb'
#/home/np/work/soccer/app/controllers/users_controller.rb:18:in `create'