I bought the Frozen resource pack!But now it doesn't work.

I bought the Frozen resource pack,On December 20, 2019.But now it doesn't work. I can't create a new game archive.The resource template is locked.Please help me!I paid, but I can't use it now, and game tell me have to buy it again.Why?My Microsoft order is 2971749102,Please give me a reasonable answer!Before that, I could play frozen!And my 30 gold coins are gone!?