How To Fix /SCMTMS/MSG150 - Instance of BO &1 with alternative key &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/MSG -

• Message number: 150

• Message text: Instance of BO &1 with alternative key &2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/MSG150 - Instance of BO &1 with alternative key &2 already exists ?

  The SAP error message /SCMTMS/MSG150 Instance of BO &1 with alternative key &2 already exists typically occurs in the context of SAP Transportation Management (TM). This error indicates that there is an attempt to create or modify a Business Object (BO) that already exists in the system with the specified alternative key.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that there is already an existing instance of the Business Object (e.g., a transportation request, shipment, etc.) with the same alternative key in the database.
  Data Migration Issues: If data has been migrated from another system or if there have been bulk uploads, it is possible that duplicate entries were created inadvertently.
  Concurrency Issues: If multiple users or processes are trying to create the same object simultaneously, it may lead to this error.
  
  Solution:
  
  
  Check for Existing Instances: 
  
  Use transaction codes like /SCMTMS/BO or relevant reports to search for existing instances of the Business Object using the alternative key provided in the error message.
  If you find an existing instance, you may need to decide whether to use that instance or delete it if it is not needed.
  
  
  
  Modify the Alternative Key: 
  
  If you are trying to create a new instance, ensure that the alternative key you are using is unique. Modify the key to avoid conflicts with existing entries.
  
  
  
  Data Cleanup: 
  
  If duplicates are found due to data migration or other processes, consider cleaning up the data to remove unnecessary duplicates.
  
  
  
  Review Business Logic: 
  
  If this error occurs frequently, review the business logic or processes that lead to the creation of these objects to ensure that they are not inadvertently creating duplicates.
  
  
  
  Consult Documentation: 
  
  Check SAP documentation or notes related to the specific Business Object you are working with for any additional guidance or known issues.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Business Object (BO): In SAP TM, a Business Object represents a specific entity or transaction, such as a transportation request, shipment, or freight order.
  Alternative Key: This is a unique identifier used to reference a specific instance of a Business Object in the system.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP TM that can help you manage and troubleshoot Business Objects.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.