java.lang.IllegalArgumentException: View=DecorView@120a89e[InvoiceReport] not attached to window manager
	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:569)
	at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:478)
	at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:126)
	at android.app.Dialog.dismissDialog(Dialog.java:522)
	at android.app.Dialog.dismiss(Dialog.java:504)
	at com.entitcs.office_attendance.CRM.InvoiceReport$5.onErrorResponse(InvoiceReport.java:789)
	at com.android.volley.Request.deliverError(Request.java:617)
	at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:104)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:237)
	at android.app.ActivityThread.main(ActivityThread.java:7948)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)