How To Fix KW392 - Name space &1 is invalid

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 392

• Message text: Name space &1 is invalid

What causes this issue?

The selected namespace does not exist.

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?

Select an allowed namespace

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KW392 - Name space &1 is invalid ?

  The SAP error message KW392, which states "Name space &1 is invalid," typically occurs in the context of SAP's namespace management, particularly when dealing with custom development objects or enhancements. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Invalid Namespace: The error indicates that the namespace specified (represented by &1) is not recognized by the SAP system. This could happen if:
  
  The namespace is not defined in the system.
  The namespace is incorrectly spelled or formatted.
  The namespace is not assigned to the user or the development object.
  
  
  
  Authorization Issues: The user may not have the necessary authorizations to access or create objects in the specified namespace.
  
  
  Transport Issues: If the namespace is part of a transport request that has not been properly imported or is in a different system, it may lead to this error.
  
  
  Solutions:
  
  
  Check Namespace Definition:
  
  Go to transaction SE03 (Transport Organizer Tools) and check if the namespace is defined correctly.
  Ensure that the namespace is registered in the system.
  
  
  
  Verify Spelling and Format:
  
  Double-check the spelling of the namespace in your code or configuration. Ensure it follows the correct format (e.g., Z or Y for custom namespaces).
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to work with the specified namespace. This can be checked in transaction SU01 (User Maintenance).
  
  
  
  Transport Management:
  
  If the namespace is part of a transport request, ensure that the transport has been successfully imported into the target system.
  Check the transport logs for any errors related to the namespace.
  
  
  
  Contact Basis Team:
  
  If you are unable to resolve the issue, it may be necessary to contact your SAP Basis team or system administrator for assistance. They can check the system configuration and namespace settings.
  
  
  
  Related Information:
  
  Namespaces in SAP: Namespaces are used to avoid naming conflicts between standard SAP objects and custom developments. Custom objects typically use namespaces starting with 'Z' or 'Y'.
  Development Guidelines: Follow SAP's guidelines for naming conventions and namespace usage to avoid such errors in the future.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the KW392 error in your SAP system.