具体报错情况如下

    Process: com.tencent.wxpayface, PID: 19952

    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

        at android.os.Parcel.readException(Parcel.java:1698)

        at android.os.Parcel.readException(Parcel.java:1645)

        at com.tencent.wxpayface.c$a$a.a(SourceFile:81)

        at com.tencent.wxpayface.connection.FaceConnectService.h(SourceFile:1379)

        at com.tencent.wxpayface.connection.FaceConnectService.b(SourceFile:92)

        at com.tencent.wxpayface.connection.FaceConnectService$1.onReceive(SourceFile:305)

        at android.support.v4.content.c.a(SourceFile:311)

        at android.support.v4.content.c.a(SourceFile:47)

        at android.support.v4.content.c$1.handleMessage(SourceFile:120)

        at android.os.Handler.dispatchMessage(Handler.java:102)

        at android.os.Looper.loop(Looper.java:154)

        at android.app.ActivityThread.main(ActivityThread.java:6137)

        at java.lang.reflect.Method.invoke(Native Method)

        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)

        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)

请问一下具体是因为什么原因