It indicates that the card is not supported for authentication payment..

This site adopts 3DS (authentication) payment to prevent the danger of payment errors.

Enter card information → Confirm payment information → Identity verification (Enter Password) → Transaction authorization

The error code (699) will appear when the specific card is not supported for 3DS (payer authentification) authentication payment.

Please, contact your credit card company and ask them to adopt 3DS payment service (free of charge) or try to use another card for payment.