Same problem here, instead I'm getting osteo striga and every witch queen exotic for $0.00, and I never had witch queen before, I'm both impressed and scared that I'll be banned for something the game did to me.
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In your case Bungie made DLCs Shadowkeep - Witch Queen free to play for a week (As well as 30th Anniversary via the Epic Games store, Pc only) I'm not sure what the cause is for OP's issue is, though.