We know how aggravating it is when this happens, we feel the same way when it happens to us.
There are a plethora of reasons it might have happened. Perhaps there was an error in the input of information, or maybe the addresses were not the same. Whatever the reason, you will have to try it again.
Perhaps you'll want to use a different credit card.
So, just take a breath and we'll take you back to the page where you can try your purchase again. Don't give up. Your loved one will reap the benefits of your perseverance.