I Can't use my iTunes gift card

This makes 2nd apple gift card I bought one 500 second June 16, 2022 50.00 are no good what's the problem and how can I get my money back.

Hello ~ Please don’t post your personal information here as everyone can see it now. What happens when you try? Take a look here:

If you can't redeem your Apple Gift Card or App Store & iTunes ...

~Katana-San~

I bought apple 50.00 gift card and it's no good what do I do