您尝试购买的商品不再有货？
我已经在 iPad 上实现了应用内购买，并使用新代码更新了应用程序。
它已获得苹果批准，但我的一些客户无法下载我们的应用程序，之后我尝试在自己的 iPad 上购买应用程序，但我遇到了同样的错误，为什么？
我认为这是更新的问题，但我无法弄清楚，请告诉我如何避免这种情况？
我认为这个问题出现在那些设备上已经有应用程序的客户身上，但他们无法使用新的更新来更新应用程序并出现错误。
I have implemented In-App-Purchase on iPad and updated application with new code.
It's approved by apple but some of mine customer not able to download our application after that I have tried to purchase application on my own iPad but I have got same error why?.
I think it's an problem with updates but I am not able to figure it out please, give me some idea how I can avoid this?
I think this problems comes to customer who have already applications on there devices but they are not able to update there application with new update and getting error.
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除非您提供某种日志文件，否则只需检查您的代码以确保产品 ID 正确并且您的权利文件有效。如果您构建应用程序用于开发，应用内购买是否有效？
Unless you provide some kind of log files, just check through your code to make sure that the product IDs are correct and that your entitlements file works. If you build the app for development, does the in-app purchase work?
这是苹果的事情。更新被批准后遇到同样的问题。没有联系苹果，只花了几个小时，效果很好。
It's an Apple thing. Had the same problem after an update was approved. Didn't contact Apple, just gave it a couple of hours and it came good.