# File lib/simple_form/form_builder.rb, line 251
    def full_error(attribute_name, options={})
      options = options.dup

      options[:error_prefix] ||= if object.class.respond_to?(:human_attribute_name)
        object.class.human_attribute_name(attribute_name.to_s)
      else
        attribute_name.to_s.humanize
      end

      error(attribute_name, options)
    end