I have been getting the following error on a mid-Android device.

Error retrieving information from server rpc:s-5:aec-0` .

It pops up when I try to download my in-app purchase product from the Play store.

I did coding from the tutorial Simple InApp Billing / Payment and updated my APK file in Google Play, but it not published. Is it compulsory to publish an app on Google Play?

I installed the same APK file in a device which I have kept in Google Play. Now I am getting this error. What is the problem and how do I to solve it?

android in-app-purchase
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