Card authentication error
If the secure Internet purchase option is activated on your card, when you conduct an online transaction some businesses will ask you for the card verification number, which your bank will have sent to you by SMS.
If this number is entered incorrectly, the transaction will be cancelled and the message "Card authentication error" will show.
Likewise, if the time given to enter the number lapses, the system will report an error and you will have to request a new number.
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