How To Fix CACSBAS400 - BTE: Errors with remote function call in system &1

CACSBAS400 - Overview

• Message type: E = Error

• Message class: CACSBAS - Commissions: General Service Messages

• Message number: 400

• Message text: BTE: Errors with remote function call in system &1

What causes this issue?

Problem in the interface (event &V2&):
An RFC (Remote Function Call) could not be executed. It was not
possible to call destination &V1&. The reason for this could be a
wrongly maintained remote destination, the inactivity of the system
being called or an error in the function module in the target system.

System Response

Termination of the update, or an I-Message.

How to fix this error?

INCLUDE FICA_NA_INFOADMIN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

CACSBAS400 - Details

• The SAP error message "CACSBAS400 BTE: Errors with remote function call in system &1" typically indicates that there is an issue with a remote function call (RFC) between SAP systems, particularly when integrating with an AS/400 (IBM iSeries) system. This error can arise due to various reasons, including network issues, configuration problems, or authorization issues.
  Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the AS/400 system, such as firewalls blocking the connection or network outages.
  Configuration Errors: Incorrect RFC destination settings in the SAP system can lead to this error. This includes incorrect IP addresses, ports, or other connection parameters.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary permissions to execute the function module on the AS/400 system.
  Function Module Issues: The function module being called may not exist, may be incorrectly implemented, or may have been changed in a way that is