java.lang.NullPointerException

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    • java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.app.Activity.isChangingConfigurations()' on a null object reference at com.hannesdorfmann.mosby.mvp.conductor.delegate.MvpConductorLifecycleListener.preDestroyView(MvpConductorLifecycleListener.java:72) at com.bluelinelabs.conductor.Controller.removeViewReference(Controller.java:776) at com.bluelinelabs.conductor.Controller.detach(Controller.java:765) at com.bluelinelabs.conductor.Controller$7.onViewDetachedFromWindow(Controller.java:834) at android.view.View.dispatchDetachedFromWindow(View.java:14572) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3071) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3063) at android.view.ViewRootImpl.dispatchDetachedFromWindow(ViewRootImpl.java:3068) at android.view.ViewRootImpl.doDie(ViewRootImpl.java:5606) at android.view.ViewRootImpl.die(ViewRootImpl.java:5583) at android.view.WindowManagerGlobal.removeViewLocked(WindowManagerGlobal.java:397) at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:352) at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:116) at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3867)
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