redmine/app/views/admin/_no_data.html.erb

<div class="nodata">
<%= form_tag({:action => 'default_configuration'}) do %>
    <%= simple_format(l(:text_no_configuration_data)) %>
    <p><%= l(:field_language) %>:
    <%= select_tag 'lang', options_for_select(lang_options_for_select(false), current_language.to_s) %>
    <%= submit_tag l(:text_load_default_configuration) %></p>
<% end %>
</div>