在云后台的全局设置中添加了一个云函数作为消息推送函数，事件类型是user_enter_tempsession，配置如下图：

但是 在进入客服消息的时候触发云函数，但是后台日志显示调用出错，错误如下：

日志内容 Request ID: ab03a697-fc80-11e9-88ad-525400697544

执行时间: 223.5ms内存使用: 22.77 MB

返回结果

{“errorCode”:1,“errorMessage”:“user code exception caught”,“stackTrace”:“errCode: 45015  | errMsg: openapi.customerServiceMessage.send:fail response out of time limit or subscription is canceled hint: [MObbNA05168672]”}

日志

START RequestId: ab03a697-fc80-11e9-88ad-525400697544

Event RequestId: ab03a697-fc80-11e9-88ad-525400697544

Error: errCode: 45015  | errMsg: openapi.customerServiceMessage.send:fail response out of time limit or subscription is canceled hint: [MObbNA05168672]

at new CloudSDKError (/var/user/node_modules/wx-server-sdk/index.js:6366:28)

at /var/user/node_modules/wx-server-sdk/index.js:2529:43

at step (/var/user/node_modules/tslib/tslib.js:136:27)

at Object.next (/var/user/node_modules/tslib/tslib.js:117:57)

at fulfilled (/var/user/node_modules/tslib/tslib.js:107:62)

at <anonymous>

at process._tickCallback (internal/process/next_tick.js:188:7)

END RequestId: ab03a697-fc80-11e9-88ad-525400697544

Report RequestId: ab03a697-fc80-11e9-88ad-525400697544 Duration:223ms Memory:256MB MaxMemoryUsed:22.773438MB

请问这种错误如何处理