android.app.RemoteServiceException: Bad notification for startForeground: java.util.ConcurrentModificationException
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2204)
	at android.os.Handler.dispatchMessage(Handler.java:108)
	at android.os.Looper.loop(Looper.java:166)
	at android.app.ActivityThread.main(ActivityThread.java:7529)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)