Hi xoxnicxox,
Welcome to the community! 🙂
It's unusual that there would be an email stating specifically that you can't accept card payments. Does the email address you by your first and last name? If not, it's probably not an authentic PayPal email. Hopefully I'm wrong, but if not, you may want to reconsider fulfilling the order with this particular buyer.
If the email is authentic, you may need to add and confirm a bank account or card to your PayPal account to be able to receive payments with PayPal.
I hope this helps! 🙂
Thanks,
Frank
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