All Cielo codes
CIELO · RETURN CODE
Cielo56
Elo: card number does not belong to the issuer / invalid card number.
Cielo saysHard decline
56Elo: card number does not belong to the issuer / invalid card number.
What it means
Invalid card number
The card number does not exist or is not valid for this issuer.
What to do
Ask the shopper to re-enter the number or use another card. Do not retry the same number.
Don't retry as-isWho can fix it: The shopper
Yuno response codeINVALID_CARD_NUMBER
Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.