微信公众号客服功能给一个已经确认过活跃的用户推送失败，怎么解决？

https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Service_Center_messages.html

响应信息 {“errcode”:45015,“errmsg”:“response out of time limit or subscription is canceled rid: 60810522-7518ef74-6c08f8ee”}

确认过用户活跃！