How To Fix KG1138 - Distribution key "&1" already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: KG1 - CO-PA planning

• Message number: 138

• Message text: Distribution key "&1" already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KG1138 - Distribution key "&1" already exists ?

  The SAP error message KG1138, which states "Distribution key '&1' already exists," typically occurs in the context of the Controlling (CO) module, particularly when dealing with distribution keys in cost center accounting or internal orders. This error indicates that you are trying to create a distribution key that already exists in the system.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that you are attempting to create a distribution key with a name or identifier that is already in use in the system.
  Data Entry Error: There may have been a typographical error or misunderstanding regarding the naming conventions of distribution keys.
  System Configuration: In some cases, the system may have been configured to prevent the creation of duplicate distribution keys.
  
  Solution:
  
  
  Check Existing Distribution Keys: 
  
  Navigate to the relevant transaction (e.g., transaction code KSU1 for creating distribution keys) and check the list of existing distribution keys to confirm if the key you are trying to create already exists.
  You can use transaction KSU2 to display or modify existing distribution keys.
  
  
  
  Use a Different Key: 
  
  If the distribution key you are trying to create already exists, consider using a different name or identifier that is unique.
  
  
  
  Review Naming Conventions: 
  
  Ensure that you are following the correct naming conventions and guidelines for distribution keys in your organization.
  
  
  
  Consult Documentation: 
  
  Review any internal documentation or guidelines regarding the creation of distribution keys to ensure compliance with organizational standards.
  
  
  
  Check Authorizations: 
  
  Ensure that you have the necessary authorizations to create or modify distribution keys in the system.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSU1 (Create Distribution Key), KSU2 (Change Distribution Key), and KSU3 (Display Distribution Key).
  SAP Documentation: Refer to SAP Help documentation for detailed information on distribution keys and their configuration.
  User Forums: Check SAP community forums or user groups for discussions related to similar issues and solutions provided by other users.
  
  By following these steps, you should be able to resolve the KG1138 error and successfully manage your distribution keys in SAP.