How To Fix CACSPY303 - Error in calling system &1

CACSPY303 - Overview

• Message type: E = Error

• Message class: CACSPY - Settlement

• Message number: 303

• Message text: Error in calling system &1

What causes this issue?

An RFC (Remote Function Call) could not be executed. Destination &V1&
could not be called. The reasons for this could be:
Remote destination is incorrectly maintained
System being called is inactive
Function module is missing in the target system

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

System Response

Termination of current posting or information message

How to fix this error?

INCLUDE ISIS_NA_SYSADMIN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSPY303 - Error in calling system &1 ?

  The SAP error message CACSPY303, which states "Error in calling system &1," typically indicates that there is an issue with the communication between the SAP system and another system (often a connected system or an external application). This error can arise in various contexts, such as when using remote function calls (RFC), web services, or other integration scenarios.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: Incorrect configuration settings in the RFC destination or the external system can lead to this error.
  Authorization Issues: The user or service account used to connect to the external system may not have the necessary permissions.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Data Format Issues: The data being sent to the external system may not be in the expected format, leading to processing errors.
  Timeouts: The call to