SecurityException: Calling from not trusted UID

问题

I get below error in my Crashlytics account, and try to find solution of this error, but didn't get any success.

Fatal Exception: java.lang.SecurityException: Calling from not trusted UID!
       at android.os.Parcel.readException(Parcel.java:1431)
       at android.os.Parcel.readException(Parcel.java:1385)
       at android.app.ActivityManagerProxy.finishInstrumentation(ActivityManagerNative.java:3249)
       at android.app.ActivityThread.finishInstrumentation(ActivityThread.java:4706)
       at android.app.Instrumentation.finish(Instrumentation.java:201)
       at android.support.test.runner.MonitoringInstrumentation.finish(MonitoringInstrumentation.java:334)
       at android.support.test.runner.AndroidJUnitRunner.finish(AndroidJUnitRunner.java:405)
       at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:394)
       at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1738)

I don't understand this warning or error.

来源：https://stackoverflow.com/questions/47498262/securityexception-calling-from-not-trusted-uid