android - 应用内购买问题，

Question

我正在处理应用内购买。我收到以下错误：

CheckoutPurchase.setError: type=PURCHASE_FAILED, code=3, permissionCode=-1, 
message=Your payment could not be processed at this time. 
You may receive an email asking you to verify your account.

谁能知道如何解决这个问题？