java.lang.IllegalArgumentException: View=DecorView@96b8016[MyNotifications] not attached to window manager
	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:508)
	at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:417)
	at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:136)
	at android.app.Dialog.dismissDialog(Dialog.java:446)
	at android.app.Dialog.dismiss(Dialog.java:429)
	at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:180)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:154)
	at android.app.ActivityThread.main(ActivityThread.java:6816)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1563)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1451)