How To Fix KX402 - Name & already used for a constant

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 402

• Message text: Name & already used for a constant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX402 - Name & already used for a constant ?

  The SAP error message KX402 ("Name & already used for a constant") typically occurs in the context of SAP's CO (Controlling) module, particularly when dealing with cost elements, cost centers, or other master data where constants are defined.
  Cause:
  This error indicates that you are trying to create or modify a constant (such as a cost element or a cost center) with a name that is already in use for another constant. In SAP, each constant must have a unique identifier, and reusing an existing name will trigger this error.
  Solution:
  To resolve the KX402 error, you can follow these steps:
  
  
  Check Existing Constants:
  
  Use transaction codes like KS01 (Create Cost Element) or KS02 (Change Cost Element) to check if the name you are trying to use is already assigned to another constant.
  You can also use transaction KSH1 (Create Cost Center) or KSH2 (Change Cost Center) for cost centers.
  
  
  
  Rename or Choose a Different Name:
  
  If the name is already in use, you will need to choose a different name for your new constant. Ensure that the new name adheres to the naming conventions and is unique within the relevant context.
  
  
  
  Delete or Modify Existing Constants:
  
  If the existing constant is no longer needed, you may consider deleting it (if permissible) or modifying it to free up the name. Be cautious with this approach, as it may affect other areas of your SAP system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific module you are working with for additional guidance on naming conventions and best practices.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to create or modify constants in the system. Lack of proper authorization can sometimes lead to misleading error messages.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing constants in SAP CO, such as KS01, KS02, KSH1, KSH2, etc.
  Naming Conventions: Understand the naming conventions used in your organization to avoid conflicts.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or fixes provided by SAP.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.