objective-c - Application received signal SIGABRT

Question

Our app always receives this signal, many times everyday from Umeng ,but we can't find where is our faults occur.
Here is these error messages or signals.And we all know these error signals are may caused by the Json parse,but we can't locate which method or something error in my app.Besides,there are some other reason leading to these error.

I'm here sincerely waiting for you to give me answer this question.Thanks!!

Answer 1

UXPBuyer 这里面的Json解析是有问题么？