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rx.exceptions.OnErrorNotImplementedException: 	at rx.Observable$27.onError(Observable.java:7923)	at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)	at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)	at rx.internal.operators.NotificationLite.accept(NotificationLite.java:147)	at rx.internal.operators.CachedObservable$ReplayProducer.replay(CachedObservable.java:404)	at rx.internal.operators.CachedObservable$CacheState.dispatch(CachedObservable.java:220)	at rx.internal.operators.CachedObservable$CacheState.onError(CachedObservable.java:201)	at rx.internal.operators.CachedObservable$CacheState$1.onError(CachedObservable.java:175)	at rx.observers.Subscribers$5.onError(Subscribers.java:225)	at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)	at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.onError(SubjectSubscriptionManager.java:227)	at rx.internal.operators.NotificationLite.accept(NotificationLite.java:147)	at rx.subjects.ReplaySubject$UnboundedReplayState.accept(ReplaySubject.java:465)	at rx.subjects.ReplaySubject$UnboundedReplayState.replayObserverFromIndex(ReplaySubject.java:514)	at rx.subjects.ReplaySubject$UnboundedReplayState.replayObserver(ReplaySubject.java:502)	at rx.subjects.ReplaySubject.caughtUp(ReplaySubject.java:427)	at rx.subjects.ReplaySubject.onError(ReplaySubject.java:387)	at com.polidea.rxandroidble.internal.RxBleRadioOperation.onError(RxBleRadioOperation.java:84)	at com.polidea.rxandroidble.internal.RxBleRadioOperation$1.onError(RxBleRadioOperation.java:50)	at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)	at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)	at rx.internal.operators.OperatorDoOnEach$1.onError(OperatorDoOnEach.java:71)	at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)	at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)	at rx.internal.operators.OperatorSingle$ParentSubscriber.onError(OperatorSingle.java:139)	at rx.internal.operators.OperatorTake$1.onError(OperatorTake.java:62)	at rx.internal.operators.OperatorMerge$MergeSubscriber.reportError(OperatorMerge.java:240)	at rx.internal.operators.OperatorMerge$MergeSubscriber.checkTerminate(OperatorMerge.java:776)	at rx.internal.operators.OperatorMerge$MergeSubscriber.emitLoop(OperatorMerge.java:537)	at rx.internal.operators.OperatorMerge$MergeSubscriber.emit(OperatorMerge.java:526)	at rx.internal.operators.OperatorMerge$InnerSubscriber.onError(OperatorMerge.java:810)	at rx.internal.operators.NotificationLite.accept(NotificationLite.java:147)	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.accept(SubjectSubscriptionManager.java:318)	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.emitLoop(SubjectSubscriptionManager.java:291)	at rx.subjects.SubjectSubscriptionManager$SubjectObserver.emitFirst(SubjectSubscriptionManager.java:270)	at rx.subjects.BehaviorSubject$1.call(BehaviorSubject.java:106)	at rx.subjects.BehaviorSubject$1.call(BehaviorSubject.java:102)	at rx.subjects.SubjectSubscriptionManager.add(SubjectSubscriptionManager.java:95)	at rx.subjects.SubjectSubscriptionManager.call(SubjectSubscriptionManager.java:60)	at rx.subjects.SubjectSubscriptionManager.call(SubjectSubscriptionManager.java:35)	at rx.Observable$2.call(Observable.java:162)	at rx.Observable$2.call(Observable.java:154)	at rx.Observable.unsafeSubscribe(Observable.java:8098)	at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:232)	at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:142)	at rx.internal.operators.OnSubscribeFromIterable$IterableProducer.fastpath(OnSubscribeFromIterable.java:127)	at rx.internal.operators.OnSubscribeFromIterable$IterableProducer.request(OnSubscribeFromIterable.java:70)	at rx.Subscriber.setProducer(Subscriber.java:211)	at rx.internal.operators.OnSubscribeFromIterable.call(OnSubscribeFromIterable.java:49)	at rx.internal.operators.OnSubscribeFromIterable.call(OnSubscribeFromIterable.java:32)	at rx.Observable$2.call(Observable.java:162)	at rx.Observable$2.call(Observable.java:154)	at rx.Observable$2.call(Observable.java:162)	at rx.Observable$2.call(Observable.java:154)	at rx.Observable$2.call(Observable.java:162)	at rx.Observable$2.call(Observable.java:154)	at rx.Observable.subscribe(Observable.java:8191)	at rx.Observable.subscribe(Observable.java:8158)	at com.polidea.rxandroidble.internal.operations.RxBleRadioOperationServicesDiscover.lambda$run$71(RxBleRadioOperationServicesDiscover.java:34)	at com.polidea.rxandroidble.internal.operations.RxBleRadioOperationServicesDiscover.access$lambda$0(RxBleRadioOperationServicesDiscover.java)	at com.polidea.rxandroidble.internal.operations.RxBleRadioOperationServicesDiscover$$Lambda$1.call(Unknown Source)	at rx.Observable$2.call(Observable.java:162)	at rx.Observable$2.call(Observable.java:154)	at rx.Observable.subscribe(Observable.java:8191)	at rx.Observable.subscribe(Observable.java:8158)	at com.polidea.rxandroidble.internal.operations.RxBleRadioOperationServicesDiscover.run(RxBleRadioOperationServicesDiscover.java:44)	at com.polidea.rxandroidble.internal.radio.RxBleRadioImpl$$Lambda$4.call(Unknown Source)	at rx.Observable$27.onNext(Observable.java:7928)	at rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:139)	at rx.internal.util.ScalarSynchronousObservable$ScalarSynchronousAction.call(ScalarSynchronousObservable.java:115)	at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:135)	at android.app.ActivityThread.main(ActivityThread.java:5312)	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:901)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)