How To Fix KW340 - The function is either as an ABAP-, or a reference-funtion implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 340

• Message text: The function is either as an ABAP-, or a reference-funtion implemented

What causes this issue?

You have chosen the ABAP-function &V2& or the reference function &V3&
as the physical execution of function &V1&. However, a function can be
based only on a physical execution.

System Response

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

How to fix this error?

Please choose the desired physical execution of the function.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KW340 - The function is either as an ABAP-, or a reference-funtion implemented ?

  The SAP error message KW340 indicates that there is an issue with a function module in your ABAP program. Specifically, it suggests that the function you are trying to call is either defined as an ABAP function or as a reference function, but it cannot be executed in the current context. This can happen for several reasons, including:
  Causes:
  
  Function Module Not Active: The function module you are trying to call may not be active or may not exist in the system.
  Incorrect Function Call: The function might be called incorrectly, or the parameters passed to it may not match the expected signature.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Reference Function: If the function is a reference function, it may not be implemented or may not be available in the current context.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly activated.
  
  Solutions:
  
  Check Function Module: Go to transaction SE37 (Function Builder) and check if the function module exists and is active. If it is not active, activate it.
  Verify Parameters: Ensure that you are calling the function with the correct parameters. Check the function module's documentation for the expected input and output parameters.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Implement Reference Function: If the function is a reference function, ensure that it has been implemented correctly. You may need to check with your development team to see if the implementation is complete.
  Transport Check: If the function module was recently transported, ensure that it has been activated in the target system. You can check the transport logs for any issues.
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Builder - to check and edit function modules.
  SE80: Object Navigator - to explore various objects including function modules.
  SU53: Authorization Check - to analyze authorization issues.
  
  
  
  Documentation: Always refer to the SAP documentation for the specific function module you are working with to understand its purpose and usage.
  
  
  Debugging: If the issue persists, consider debugging the program to trace the exact point of failure and gather more context about the error.
  
  
  By following these steps, you should be able to identify the cause of the KW340 error and implement a solution. If the problem continues, consider reaching out to your SAP support team for further assistance.