I am implementing In App Purchase and using Auto renewable Subscription type product, for the first time It is working fine. For other then first attempt I am getting 21004 in reciept's status (21004 showing error related to shared secret key ) How can i perform the test of this condition that application will correctly work i.e, product is renewing after correct renewal days.? and how to solve the problem of getting a ststus 21004?
Thanks