How To Fix KW455 - Funktion change in external namespace &

SAP Error Message - Details

• 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 function module in question to see if it has been changed recently. You can do this by checking the change logs or the transport logs.
  Review Namespace: Ensure that the function module is being called correctly from the appropriate namespace. If it is an external function, make sure that the calling program has the correct access rights.
  Transport Consistency: If the function module was transported, check for any missing dependencies or inconsistencies in the transport request. You may need to re-transport the function module or its dependencies.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this in the user roles and authorizations.
  Debugging: If the issue persists, consider debugging the program to identify the exact point of failure and gather more information about the context in which the error occurs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to KW455 for any specific patches or updates that may address this issue.
  Documentation: Review the SAP documentation for function modules and external namespaces to understand the best practices for calling functions across namespaces.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and what solutions they have found.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.