Changes redmine attribute i18n.

config/initializers/10-patches.rb

@@ -20,10 +20,15 @@ module ActiveRecord
 
     # Translate attribute names for validation errors display
     def self.human_attribute_name(attr, options = {})
+      begin
+        options = options.merge({:raise => true})
+        super(attr, options)
+      rescue I18n::MissingTranslationData => e
         l("field_#{attr.to_s.gsub(/_id$/, '')}")
       end
     end
   end
+end
 
 module ActiveModel
   class Errors