Reason Codes {#pa-testing-reason-codes}
=======================================

These reason codes can appear during payer authentication transactions. For a complete list of reason codes, go to [Reason Codes for the Simple Order API](https://developer.cybersource.com/docs/cybs/en-us/reason-codes-so/reference/all/so/reason-codes-so/reason-codes-so.md "").

100
:
Transaction was successful.

101
:
The request is missing one or more required fields. Possible action: See the response fields **missingField_0** through **missingField_N** for the missing fields. Possible action: Resend the request with the complete information.

102
:
One or more fields in the request contains invalid data. Possible action: See the response fields **invalidField_0** through **invalidField_N** for the invalid fields. Possible action: Resend the request with the correct information.

150
:
Error: General system failure. Possible action: Wait a few minutes and resend the request.

151
:
Error: The request was received, but a server time-out occurred. This error does not include time-outs between the client and the server. Possible action: Wait a few minutes and resend the request.

152
:
Error: The request was received, but a service time-out occurred. Possible action: Wait a few minutes and resend the request.

234
:
A problem exists with your `Cybersource` merchant configuration. Possible action: Do not resend the request. Contact [customer support](http://support.visaacceptance.com "") to correct the configuration problem.

261
:
The merchant account set up is either invalid or missing on the acquirer's gateway. Possible action: Check the merchant account configuration.

465
:
Encountered a Payer Authentication problem. Payer could not be authenticated. Possible action: Authenticate the cardholder before continuing with the transaction.

475
:
The cardholder is enrolled in Payer Authentication. Possible action: Authenticate the cardholder before continuing with the transaction.

476
:
Payer could not be authenticated. Possible action: Authenticate the cardholder before continuing with the transaction.

478
:
Strong customer authentication (SCA) is required for this transaction.
{#pa-testing-reason-codes_dl_sdd_j4t_fgc}