Can anyone tell me why this happens

So I got a gift card for Christmas, haven’t used it yet, and it’s already activated. I just tried using it on DoorDash, and this keeps popping up, but everything is green, and there’s more than enough money on it, I’m confused.

So I got a gift card for Christmas, haven’t used it yet, and it’s already activated. I just tried using it on DoorDash, and this keeps popping up, but everything is green, and there’s more than enough money on it, I’m confused.