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When implementing the billing library, an error may be displayed indicating that the item you are trying to purchase could not be found. This issue persists even though the app is live, as it is encountering a payment policy problem. The error message, "We're sorry, the requested URL was not found on this server," is shown, and internal testing does not reveal the issue for test users as well. Any help is appreciated, thank you. version 5.x.x
<https://developer.android.com/google/play/billing/integrate>