How To Fix KW455 - Funktion change in external namespace &

KW455 - Overview

• Message type: E = Error

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

• Message number: 455

• Message text: Funktion change in external namespace &

What causes this issue?

You attempted to change a function from the namespace &V1&. If dealing
with SAP-namespaces, you may loose the current changes in the next SAP
software upgrade or delivery.

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?

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 KW455 - Funktion change in external namespace & ?

  The SAP error message KW455, which states "Funktion change in external namespace &," typically occurs when there is an issue related to function modules or methods that are being called from an external namespace. This can happen in various scenarios, such as when there are changes in the function module definitions or when there are inconsistencies in the namespace usage.
  
  Cause:
  
  Function Module Changes: The function module being called has been changed or modified in a way that is not compatible with the calling program or function.
  Namespace Issues: The function module is located in an external namespace, and there may be restrictions or issues related to how it is being accessed.
  Transport Issues: If the function module was transported from one system to another, there may be inconsistencies or missing dependencies.
  Authorization Issues: The user may not have the necessary authorizations to access the function module in the external namespace.
  
  
  Solution:
  
  Check Function Module: Verify the