My client and I have never encountered this kind of problem. I guess it should be a problem with your server. The current solution is to modify APPKEY. But this problem is likely to occur again later.
My clients and I have never encountered such problems. I guess it's your server. The current solution is to modify appkey. But this problem is likely to reappear later.
My clients and I have never encountered this problem. I guess it should be your server. The current solution is to modify APPKEY. But this problem is likely to happen again later.