My card is declined on PayPal

If your credit/debit card is being rejected by PayPal with the message "The card you entered cannot be used for this payment. Please enter a different credit or debit card number." it might be due to one of the following reasons:

1. Your card is associated with a specific PayPal account, and you're not logging in with that particular account.
2. Your card was associated with a PayPal account that has since been closed.
3. You've linked the card to a PayPal account, but have not yet confirmed it.
4. You've exceeded your card limit with the PayPal system.
5. Your email address is raising a red flag in PayPal's system.
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