--------- beginning of crash
2019-09-23 19:48:08.731 17831-17831/com.pheonixanew.telegramapp E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.pheonixanew.telegramapp, PID: 17831
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.github.badoualy.telegram.tl.exception.RpcErrorException.getType()' on a null object reference
        at com.pheonixanew.telegramapp.MainActivity$1.onClick(MainActivity.java:98)
        at android.view.View.performClick(View.java:7339)
        at android.widget.TextView.performClick(TextView.java:14222)
        at android.view.View.performClickInternal(View.java:7305)
        at android.view.View.access$3200(View.java:846)
        at android.view.View$PerformClick.run(View.java:27788)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7073)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:964)
2019-09-23 19:48:08.732 17831-17868/com.pheonixanew.telegramapp I/System.out: 19:48:08 - [RxCachedThreadScheduler-1] TRACE MTProtoHandler -  - Sending container with 2 items
2019-09-23 19:48:08.738 17831-17868/com.pheonixanew.telegramapp I/System.out: 19:48:08 - [RxCachedThreadScheduler-1] DEBUG MTProtoHandler - 8664721186316949425 - Sending message with msgId 6739924192851918856 and seqNo 2
2019-09-23 19:48:08.782 17831-17831/com.pheonixanew.telegramapp I/Process: Sending signal. PID: 17831 SIG: 9