If it is 1, the system will automatically prompt us that the information is wrong. As long as we modify the correct information according to the system prompt, we can re-initiate the payment. If the balance in our card is insufficient in the second case, we need to remit the cash to the credit card first. However, if PayPal system automatically refuses our payment, there is only one possibility, that is, our account security is not high, and it is recognized as a high-risk transaction by the system. At this time, you can try to pay with other sources of funds, such as the balance in your PayPal account, instead of directly swiping your credit card.
If there is no money in the PayPal account balance, we can only wait 24 hours or 48 hours before trying to make a second credit card payment.