java.lang.IllegalArgumentException: View=DecorView@4db4c26[InvoiceReport] not attached to window manager
	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:604)
	at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:508)
	at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:146)
	at android.app.Dialog.dismissDialog(Dialog.java:676)
	at android.app.Dialog.dismiss(Dialog.java:658)
	at com.entitcs.office_attendance.CRM.InvoiceReport$y.a(Unknown Source:2)
	at com.entitcs.office_attendance.CRM.InvoiceReport$y.onResponse(Unknown Source:2)
	at com.android.volley.toolbox.m.m(Unknown Source:8)
	at com.android.volley.toolbox.m.deliverResponse(Unknown Source:2)
	at com.android.volley.f$b.run(Unknown Source:30)
	at android.os.Handler.handleCallback(Handler.java:938)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:246)
	at android.app.ActivityThread.main(ActivityThread.java:8633)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)