java.lang.IllegalArgumentException: View=DecorView@7c9b0a9[Processing] not attached to window manager
	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:707)
	at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:593)
	at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:206)
	at android.app.Dialog.dismissDialog(Dialog.java:813)
	at android.app.Dialog.dismiss(Dialog.java:795)
	at com.entitcs.office_attendance.activities.ApproveRejectActivity$g.f1(Unknown Source:25)
	at com.entitcs.office_attendance.activities.ApproveRejectActivity$g.onPostExecute(Unknown Source:2)
	at android.os.AsyncTask.finish(AsyncTask.java:771)
	at android.os.AsyncTask.-$$Nest$mfinish(Unknown Source:0)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:788)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:226)
	at android.os.Looper.loop(Looper.java:313)
	at android.app.ActivityThread.main(ActivityThread.java:8741)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1067)