All Cielo codes
CIELO · RETURN CODE

Cielo
999

System/communication unavailable: no communication with the issuer's system. Try again later.

Cielo saysSoft decline
999

System/communication unavailable: no communication with the issuer's system. Try again later.

What it means

Issuer or acquirer unavailable

The bank or network could not be reached, so nobody actually judged the payment.

What to do

Retry shortly, or route through another provider if you have one.

Worth retryingWho can fix it: The provider
Yuno response codeACQUIRE_CONTINGENCY
Source:Cielo docs — Códigos de Retorno padrão ABECS (API E-commerce Cielo)

Other Cielo codes with the same meaning

9198

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.