How To Fix SCI166 - Object of exception currently locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SCI - Code Inspector

• Message number: 166

• Message text: Object of exception currently locked by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCI166 - Object of exception currently locked by user &1 ?

  The SAP error message SCI166, which states "Object of exception currently locked by user &1," typically occurs when a user tries to access or modify an object (such as a table, program, or other resources) that is currently locked by another user. This locking mechanism is a part of SAP's concurrency control to prevent data inconsistencies and ensure data integrity.
  Cause:
  
  User Lock: Another user is currently working on the object, and SAP has locked it to prevent simultaneous modifications.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the object longer than expected.
  Uncommitted Changes: If a user has made changes to the object but has not yet committed those changes, the object remains locked.
  System Errors: Occasionally, system errors or crashes can leave objects in a locked state.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and release the lock. You can retry your operation after some time.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock and on which object.
  
  In SM12, you can filter by the user ID or object name to find the specific lock.
  
  
  Contact the User: If you identify the user holding the lock, you can contact them to see if they can release the lock or complete their transaction.
  Release the Lock: If necessary and if you have the appropriate authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the object.
  Check for Long-Running Transactions: If the lock is due to a long-running transaction, you may need to investigate why it is taking so long and address any performance issues.
  System Administration: If locks are frequently causing issues, it may be worth discussing with your SAP Basis team to review system performance and locking behavior.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  ST22: To check for dumps that might indicate underlying issues.
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing locks.
  User Training: Ensure that users are trained on how to properly complete transactions to minimize the duration of locks.
  
  By following these steps, you should be able to resolve the SCI166 error and understand the locking mechanism in SAP better.