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Horror Skin Pack Still Locked!

Greetings!
So I have MKX on XB1 and I have the Kombat Pack , I've installed Tanya & the MK1 Skin Pack , and Jason Vorhees but for some reason it will not let me use the Horror Skin Pack. In the Games & Apps section on my XB1 its saying its installed but when I play the game it's still stating they're locked. Am I overlooking something ????

Help Please!!!!!