I bought the holiday mashup pack and now every time I try to access the world, I am told to repurchase the pack.

*strong text*Please Help!!!!!!!!!!!!!!!!!!
My favorite world is unavailable to me!

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Even after I rebought the pack, multiple times, every time I try to access the world, I am told to rebuy the pack, and I have spent over $20 on this pack, even when the mine coins are $5.99.