If you're using a bank transfer:

• Error in bank details: Check the details entered for the transfer are correct, the account type or bank details may be entered incorrectly.

• Insufficient funds: Verify that the account used has sufficient funds available to cover the amount required for the transfer.

• Transfer failure: Your bank account was closed or may be frozen or has restrictions applied. Contact your bank for support.

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If you're using a credit card:

• Incorrect card number: Check and confirm that you've entered the correct card number without spaces or hyphens.

• Expired credit card: If the card has not expired, check that the date has been entered correctly.

• Incorrect security code: Error writing CVV / CVC card verification code: Check that you have correctly entered the card's CVV code. The CVV Code is a security code that, on most cards, is found on the back of the card, in the signature area. For American Express, the CVV code is the 4 digits that appear on the front of the card above the card number.

• Credit limit reached: Verify that the card you are using has a sufficient balance. Verify with your bank that you are not exceeding the limit of your card. Remember that even if you have a balance in your bank account, you may have exceeded the daily or monthly limit of your card. In any case, you can contact your bank to extend the limits or indicate that you are going to proceed with a purchase, specifying the amount.

• Secure payment or 3DSecure: With some purchases, your bank asks for an extra verification step when making the payment. Most of the time it is a code sent by SMS or through your bank's APP. Remember to have your mobile phone nearby to be able to enter the code you receive on your phone. Once you receive it on your mobile phone, you must enter the code in the purchase process.