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Question purchase fails in sandbox (ResultCode -300)

Discussion in 'Unity Distribution Portal (UDP)' started by nik_d, Oct 11, 2019.

  1. nik_d

    nik_d

    Joined:
    Apr 27, 2018
    Posts:
    66
    UDP via IAP.

    Generic android build. Login via sandbox account.
    StandardPurchasingModule's appStore is UDP.

    But InitiatePurchase with correct productId gives OnPurchaseFailed.
    I see internal's server's answer in log: ResultCode -300

    How to check correctness (with validation) in sandbox?

    Thanks in advance.