java.lang.IllegalArgumentException: View=DecorView@bfed205[Processing] not attached to window manager
	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:545)
	at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:454)
	at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:128)
	at android.app.Dialog.dismissDialog(Dialog.java:391)
	at android.app.Dialog.dismiss(Dialog.java:373)
	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:755)
	at android.os.AsyncTask.access$900(AsyncTask.java:192)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:772)
	at android.os.Handler.dispatchMessage(Handler.java:107)
	at android.os.Looper.loop(Looper.java:226)
	at android.app.ActivityThread.main(ActivityThread.java:7592)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)