How To Fix /PLMI/ECN_BO012 - Change number &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/ECN_BO -

• Message number: 012

• Message text: Change number &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 /PLMI/ECN_BO012 - Change number &1 already exists ?

  The SAP error message /PLMI/ECN_BO012 Change number &1 already exists typically occurs in the context of Engineering Change Management (ECM) within SAP. This error indicates that you are trying to create or modify a change number that already exists in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Duplicate Change Number: The change number you are trying to create or modify is already present in the system. This can happen if:
  
  You are attempting to create a new change number that has the same identifier as an existing one.
  There was a previous transaction that created the change number, and you are trying to create it again.
  
  
  
  Solution:
  
  
  Check Existing Change Numbers: 
  
  Use transaction codes like EC01 (Create Change Number) or EC02 (Change Change Number) to search for existing change numbers. 
  Verify if the change number you are trying to use is already in the system.
  
  
  
  Use a Different Change Number: 
  
  If the change number is indeed already in use, consider using a different, unique change number for your transaction.
  
  
  
  Review Change Number Configuration: 
  
  Check the configuration settings for change number management in your SAP system. Ensure that the number range for change numbers is set up correctly to avoid conflicts.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help files related to Engineering Change Management for additional insights on managing change numbers.
  
  
  
  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 or patches related to this error.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  EC01 - Create Change Number
  EC02 - Change Change Number
  EC03 - Display Change Number
  
  
  
  Number Ranges: Understand how number ranges are defined in your SAP system for change numbers. This can be checked in the configuration settings under the relevant module.
  
  
  SAP Notes: Search for SAP Notes related to Engineering Change Management and error messages for additional troubleshooting steps or patches.
  
  
  User Authorization: Ensure that you have the necessary authorizations to create or modify change numbers in the system.
  
  
  By following these steps, you should be able to address the error message and proceed with your tasks in SAP.