How To Fix CACS_SE256 - Combination of RFC destination and logical service is invalid

CACS_SE256 - Overview

• Message type: E = Error

• Message class: CACS_SE - Settlement

• Message number: 256

• Message text: Combination of RFC destination and logical service is invalid

What causes this issue?

The RFC destination and the logical system represent the external system
to which the settlement must be transferred.
The RFC destination is used to check the data in the external system.
The logical system is used to specify the target system of the transfer
<DS:GLOS.3526B592AFAB52B9E10000009B38F974>IDoc</>.
Either both the RFC destination and the logical system must be specified
for <ZH>posting to an external system </>or neither.
The RFC destination and the logical system must be specified for <ZH>
posting to a local system</>.
The RFC destination is "&v1&" and the logical system is "&v2&".

System Response

The transfer of settlement was canceled.

How to fix this error?

Configure the identification of the logical target system of the
settlement "&v3&" in table TCACS_TRIGID.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACS_SE256 - Combination of RFC destination and logical service is invalid ?

  The SAP error message CACS_SE256, which states "Combination of RFC destination and logical service is invalid," typically occurs in the context of SAP's Customer Activity Repository (CAR) or when dealing with Remote Function Calls (RFC) in SAP systems. This error indicates that there is a mismatch or misconfiguration between the RFC destination and the logical service that is being called.
  Causes:
  
  Incorrect RFC Destination: The RFC destination specified in the configuration may not be correctly set up or may not exist.
  Logical Service Not Defined: The logical service that you are trying to access may not be defined in the system or may not be correctly linked to the RFC destination.
  Authorization Issues: The user or system trying to access the logical service may not have the necessary authorizations.
  Network Issues: There may be network connectivity issues preventing the RFC call from being established.
  Configuration Errors: There may be errors in the configuration settings for the