We're getting this error on all TestFlight versions currently. It's happening when anyone tries to subscribe to our in-app subscription. However, we are not making any changes to the subscription and haven't in weeks. Anyone else getting this? Any work around? Any update on a fix?

All of our apps have certain users experiencing an issue after updating to iOS 15. They say that they update their iOS and lose access to their in-app purchases. When they try to restore their purchases, they get a never ending loading wheel. One user mentioned that when they try to restore their purchases in our app, the App Store stops working for them as well. It freezes up and they have to restart their device. Another user mentioned that this bug is happening to them in another app as well (unrelated to ours). Anyone else dealing with this issue? Apple - Are you working on a fix for this? Would love some answers. Thanks!