# File lib/openid/server.rb, line 527
    def get_error(args, msg)
      return_to = args['openid.return_to']
      unless return_to.nil?
        err = {
          'openid.mode' => 'error',
          'openid.error' => msg
        }
        return [REDIRECT, OpenID::Util.append_args(return_to, err)]
      else
        args.each do |k,v|
          return [LOCAL_ERROR, msg] if k.index('openid.') == 0
        end
        
        return [DO_ABOUT, nil]
      end
    end