How To Fix /SEHS/PH_CM_BAPI009 - A collision has occurred when changing the record with the change number

SAP Error Message - Details

• Message type: E = Error

• Message class: /SEHS/PH_CM_BAPI -

• Message number: 009

• Message text: A collision has occurred when changing the record with the change number

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SEHS/PH_CM_BAPI009 - A collision has occurred when changing the record with the change number ?

  The SAP error message /SEHS/PH_CM_BAPI009 indicates that a collision has occurred when attempting to change a record associated with a change number. This typically happens in the context of change management processes, particularly when multiple users or processes are trying to modify the same record simultaneously.
  Cause:
  
  Concurrent Changes: The most common cause of this error is that another user or process has already made changes to the record you are trying to modify. SAP uses a locking mechanism to prevent data inconsistencies, and if a record is locked by another transaction, you will encounter this error.
  Change Number Conflicts: If the change number you are trying to use is already associated with another change or modification, it can lead to a collision.
  Data Consistency Issues: There may be issues with the data integrity or consistency in the system, leading to conflicts when trying to save changes.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the record you are trying to change. If you find that another user has locked the record, you may need to wait until they release the lock or coordinate with them to make the necessary changes.
  Refresh the Data: If you suspect that the data has changed since you last retrieved it, refresh the data in your session to ensure you are working with the most current version.
  Review Change Numbers: Verify that the change number you are using is valid and not already in use for another modification. You can check this in the relevant change management transaction.
  Error Handling: Implement error handling in your BAPI or program to gracefully manage situations where a collision occurs. This could involve retrying the operation after a brief pause or notifying the user of the conflict.
  Consult Documentation: Review the SAP documentation or notes related to the specific BAPI or transaction you are using to see if there are any known issues or additional steps required.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE03 (Transport Organizer Tools), SE09 (Transport Organizer), and SE10 (Transport Organizer) for managing change requests and transport issues.
  SAP Notes: Check SAP Notes for any updates or patches related to the error message. You can search for the error message or related keywords in the SAP Support Portal.
  User Coordination: If you are working in a team environment, ensure that there is clear communication regarding who is making changes to which records to minimize the chances of collisions.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.