How To Fix /PLMB/BA_ACE200 - Change pointer for type &1, object ID &2 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_ACE -

• Message number: 200

• Message text: Change pointer for type &1, object ID &2 is locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_ACE200 - Change pointer for type &1, object ID &2 is locked ?

  The SAP error message /PLMB/BA_ACE200 indicates that a change pointer for a specific type and object ID is locked. This typically occurs in the context of the SAP PLM (Product Lifecycle Management) module, where change pointers are used to track changes to objects.
  Cause:
  
  Locking Mechanism: The error usually arises when another process or user is currently accessing or modifying the same object. SAP uses a locking mechanism to prevent data inconsistencies, and if an object is locked, other processes cannot make changes to it until the lock is released.
  Long-running Transactions: If a transaction takes too long to complete, it may hold a lock on the object longer than expected, leading to this error for other users or processes trying to access the same object.
  System Configuration: There may be configuration settings that affect how locks are managed in your SAP system.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to check for existing locks on the object. You can filter by the object ID or user to find the specific lock.
  Release the Lock: If you identify a lock that is no longer needed (e.g., a user has left a transaction open), you can manually release the lock from the SM12 transaction. However, be cautious when doing this, as it may lead to data inconsistencies if the original process is still running.
  Check for Long-running Transactions: Investigate if there are any long-running transactions that might be holding the lock. You can use transaction SM66 to monitor active processes in the system.
  Retry the Operation: After the lock has been released, you can retry the operation that caused the error.
  Consult with Basis Team: If the issue persists, it may be necessary to consult with your SAP Basis team to investigate further, as they can provide insights into system performance and locking behavior.
  
  Related Information:
  
  Change Pointers: Change pointers are used in SAP to track changes to master data and can be configured for various object types. Understanding how change pointers work in your specific context can help in troubleshooting.
  Lock Management: Familiarize yourself with SAP's locking mechanism, including how locks are created, managed, and released.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the error and understand the underlying causes related to locked change pointers in SAP.