         @logger.log(LogLevel.ERROR, "Myna.suggest did something unexpected")
         @logger.log(LogLevel.ERROR, data)
         if error
-          error(400, "The Myna client didn't handle this data: " + data)
+          error(400, "The Myna client didn't handle this data: #{data}")
 
 
       # xhr string string -> void

      @logger.log(LogLevel.ERROR, text)
      @logger.log(LogLevel.ERROR, error)
      @logger.log(LogLevel.ERROR, response)
      @logger.log(LogLevel.ERROR, "myna.suggest failed: error " + response.code + " " + response.message)

      if error
        error(response.code, response.message)

    this.doAjax("/suggest", data, successWrapper, errorWrapper)


  # (Number, () -> Any, (Number, String) -> Any) -> Undefined

      if error
        error(response.code, response.message)

    myna.doAjax("/v1/experiment/#{@experiment}/reward", data, successWrapper, errorWrapper)


  saveToken: (token) ->
