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Hi. I am implementing a subscription feature using Unity IAP.I am currently testing purchases with Sandbox account through Testflight.I initially completed my subscription. If I try to subscribe again immediately, "You are currently subscribed" message window appears. And the window has two buttons "Manage" and "OK".If I click "OK" button, the subscription is purchased again.I think that if I already have a subscription, payment should fail.And if I click "Manage" button, I can't find my subscription info.I can't find solution and I don't know reason.If I test using the testflight environment and the sandbox account, can the results differ from the actual ones?I hope to get a clue on this issue.