I went to play my game and wanted to use my steven universe pack that I bought and now it says I have never bought it could you please help me fix this issue. If you need my username to fix this it is shealaquartz

I had bought this pack for the market place about a month ago and now my Minecraft is saying I never bought it at all and I made sure to first just close my Minecraft and open it again and as well as restarting my computer but it still says that I never bought the steven universe pack I bought. could you please help me with these issues . if you need my username it's shealaquartz please get back to me as soon as you can.