How To Fix WRF_REF120 - Change Pointer(s) is(are) locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 120

• Message text: Change Pointer(s) is(are) locked by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_REF120 - Change Pointer(s) is(are) locked by user &1 ?

  The SAP error message WRF_REF120 indicates that change pointers are locked by a specific user, which prevents the system from processing changes related to master data or other relevant objects. This typically occurs in the context of the SAP Retail module, where change pointers are used to track changes in master data.
  Cause:
  The error occurs when:
  
  A user is currently processing or has locked the change pointers for a specific object, preventing other users or processes from accessing them.
  There may be a long-running transaction or a session that has not been properly closed, leading to the lock.
  The system may have encountered a deadlock situation where multiple processes are waiting for each other to release locks.
  
  Solution:
  To resolve the issue, you can take the following steps:
  
  
  Identify the Locking User:
  
  Use transaction code SM12 to view the list of locks in the system. You can filter by the user ID mentioned in the error message to find the specific lock.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you can manually delete the lock entry in SM12. Be cautious when doing this, as it may affect the user currently working with the change pointers.
  
  
  
  Check for Long-Running Transactions:
  
  Investigate if there are any long-running transactions that might be holding the lock. You can use transaction code SM66 to monitor active processes in the system.
  
  
  
  Communicate with the User:
  
  If the locking user is known, communicate with them to understand if they can complete their transaction or release the lock.
  
  
  
  System Restart:
  
  In some cases, if the lock cannot be released and is causing significant issues, a system restart may be necessary. This should be done with caution and typically as a last resort.
  
  
  
  Review Change Pointer Configuration:
  
  Ensure that the configuration for change pointers is set up correctly and that there are no issues with the underlying data model.
  
  
  
  Related Information:
  
  Change Pointers: Change pointers are a mechanism in SAP that allows the system to track changes to master data. They are often used in conjunction with IDocs for data transfer.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM66: To monitor active processes.
  SLG1: To check application logs for any related errors or warnings.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling change pointer locks.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.