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

/SCMTMS/MSG150 - Overview

• 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

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.

Unfortunately, there isn't any extra information in this error notice.

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/SCMTMS/MSG150 - Details

• 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