How To Fix /SMB/ANC_SCE_LOCK002 - ANC/SCE indicator cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/ANC_SCE_LOCK -

• Message number: 002

• Message text: ANC/SCE indicator cannot be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/ANC_SCE_LOCK002 - ANC/SCE indicator cannot be locked ?

  The SAP error message /SMB/ANC_SCE_LOCK002 indicates that the ANC/SCE indicator cannot be locked. This error typically arises in the context of the SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) modules, where locking mechanisms are used to prevent data inconsistencies during concurrent processing.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user or process is currently accessing the ANC/SCE indicator, preventing your session from obtaining a lock.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold the lock longer than expected, leading to this error for other users.
  System Configuration Issues: There may be configuration issues in the system that affect how locks are managed.
  Database Issues: Sometimes, underlying database issues can lead to locking problems.
  
  Solution:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify Locking Sessions: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock. You can then decide whether to wait for that process to complete or, if appropriate, terminate it.
  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.
  Review System Configuration: Ensure that the system is configured correctly for handling locks. This may involve checking settings related to the locking mechanism in your SAP system.
  Database Health Check: If you suspect database issues, work with your database administrator to check for any underlying problems that might be affecting locking behavior.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Lock Management in SAP: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the application level, and different types of locks (e.g., exclusive, shared) can affect how data is accessed.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM21 (system log), and SM66 (global work process overview) for monitoring and troubleshooting.
  Documentation: Refer to SAP documentation or notes related to locking mechanisms in the specific module you are working with for more detailed guidance.
  
  By following these steps, you should be able to diagnose and resolve the /SMB/ANC_SCE_LOCK002 error effectively.