java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.String com.google.android.gms.wearable.Node.getId()' on a null object reference

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Attempt to invoke interface method 'java.lang.String com.google.android.gms.wearable.Node.getId()' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.String com.google.android.gms.wearable.Node.getId()' on a null object reference
at com.pipperpublishing.refwatch.RefWatchUtil$4.onResult(RefWatchUtil.java:329)
at com.pipperpublishing.refwatch.RefWatchUtil$4.onResult(RefWatchUtil.java:326)
at com.google.android.gms.common.api.internal.zzb$zza.zzb(Unknown Source)
at com.google.android.gms.common.api.internal.zzb$zza.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6934)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)

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