I can't buy meta games??

Okay so I tried using my card to buy games right and it didn't work so I tried a couple more time, but it was getting late so I couldn't go to Walmart, and then the next day I went to Walmart so I could get a meta gift card, so now I'm excited to buy games but na, I redeemed the card now the money is on my account but when I go to buy a game it stillllllll doesn't let me no matter what I try to do. And every time I try to buy a game it give me this error message.

Request cannot be completed until further action.

We noticed something unusual and, for your security, this request couldn't be completed. Please file an appeal to get your case reviewed.

Can someone pleaseee help meeee??😭😭😭