error_gettext

xiting
/Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/base.rb:163:in `load_file': can not load translations from /Users/dafeng/Code/Bobcat/config/locales/model_attributes.rb: expects it to return a hash, but does not (I18n::InvalidLocaleData)
  from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/base.rb:15:in `block in load_translations'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/base.rb:15:in `each'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/base.rb:15:in `load_translations'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/simple.rb:57:in `init_translations'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/simple.rb:71:in `lookup'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n/backend/base.rb:26:in `translate'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/gettext_i18n_rails-0.9.4/lib/gettext_i18n_rails/backend.rb:27:in `translate'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n.rb:156:in `block in translate'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n.rb:152:in `catch'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/i18n-0.6.4/lib/i18n.rb:152:in `translate'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activerecord-3.1.12/lib/active_record/railtie.rb:102:in `block in <class:Railtie>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/lazy_load_hooks.rb:34:in `call'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/lazy_load_hooks.rb:34:in `execute_hook'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/lazy_load_hooks.rb:42:in `each'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/application/finisher.rb:56:in `block in <module:Finisher>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/initializable.rb:30:in `instance_exec'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/initializable.rb:30:in `run'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/initializable.rb:55:in `block in run_initializers'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/initializable.rb:54:in `each'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/initializable.rb:54:in `run_initializers'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/application.rb:96:in `initialize!'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/railtie/configurable.rb:30:in `method_missing'
	from /Users/dafeng/Code/Bobcat/config/environment.rb:100:in `<top (required)>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:240:in `require'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:240:in `block in require'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:223:in `block in load_dependency'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:640:in `new_constants_in'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:223:in `load_dependency'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/activesupport-3.1.12/lib/active_support/dependencies.rb:240:in `require'
	from /Users/dafeng/Code/Bobcat/config.ru:3:in `block in <main>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/builder.rb:51:in `instance_eval'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/builder.rb:51:in `initialize'
	from /Users/dafeng/Code/Bobcat/config.ru:in `new'
	from /Users/dafeng/Code/Bobcat/config.ru:in `<main>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/builder.rb:40:in `eval'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/builder.rb:40:in `parse_file'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/server.rb:200:in `app'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/commands/server.rb:46:in `app'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/server.rb:304:in `wrapped_app'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/rack-1.3.10/lib/rack/server.rb:254:in `start'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/commands/server.rb:70:in `start'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/commands.rb:54:in `block in <top (required)>'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/commands.rb:49:in `tap'
	from /Users/dafeng/.rvm/gems/ruby-1.9.3-p385@bobcat/gems/railties-3.1.12/lib/rails/commands.rb:49:in `<top (required)>'
	from script/rails:6:in `require'
	from script/rails:6:in `<main>'