All Cybersource codes
CYBERSOURCE · REASON CODE

Cybersource
101

The request is missing one or more required fields.

Cybersource saysIntegration issue
101

The request is missing one or more required fields.

What it means

Missing request data

A required field was not sent.

What to do

Add the missing field and send the request again.

Don't retry as-isWho can fix it: You, the merchant
Yuno response codeMISSING_PARAMETERS
Source:Cybersource docs — Reason Codes for the Simple Order API

Other Cybersource codes with the same meaning

264474

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.