ruby – rails 3 – I18n :: InvalidLocaleData

但是在一开始我得到一个错误：

I18n::InvalidLocaleData in Users#index

Showing .../app/views/users/index.html.erb where line #1 raised:

can not load translations from .../config/locales/en.yml,expected it to return a hash,but does not

index.html.erb：

<% provide(:title,t('users.index.title.site_title')) %>
<h1><%= t 'users.index.title.head' %></h1>

<%= form_tag users_path,:method => 'get' do %>
  <%= hidden_field_tag :direction,params[:direction] %>
  <%= hidden_field_tag :sort,params[:sort] %>
  <p>
    <%= text_field_tag :search,params[:search] %>
    <%= submit_tag (t 'users.index.search_form.search'),:name => nil %>
  </p>
<% end %>

配置/语言环境/ en.yml

en:
    users:
        index:
            title:
                site_title: "Users"
                head: "Users"
            search_form:
                search: "Search"