Penguin skier ward in loot that's both owned AND unlockable bug

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I already bought the Penguin skier ward skin but I've now gotten 2 permanents from re-rolling, I think but not sure, and it says it's unlockable but comes up with "redeem failed" every time i try and unlock it, I'm a little afraid of being bugged in a way that will give me the same permanent every time i re-roll ward skins, any way to fix this?
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