How To Fix >REP156 - Lock object <&1> was removed

SAP Error Message - Details

• Message type: E = Error

• Message class: >REP -

• Message number: 156

• Message text: Lock object <&1> was removed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >REP156 - Lock object <&1> was removed ?

  The SAP error message REP156: Lock object <&1> was removed typically indicates that a lock object, which is used to manage concurrent access to data in SAP, has been released or removed unexpectedly. This can happen for various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Causes:
  
  Session Timeout: The lock may have been released due to a session timeout, where the user session is inactive for a certain period.
  Explicit Unlocking: Another user or process may have explicitly released the lock on the object.
  System Errors: There could be underlying system errors or issues that caused the lock to be removed.
  Program Logic: The program logic may not be handling locks correctly, leading to premature release.
  Database Issues: Problems with the database or connectivity issues can also lead to locks being removed.
  
  Solutions:
  
  Check Lock Status: Use transaction code SM12 to check the current locks in the system. This can help identify if the lock is still active or if it has been released.
  Review Program Logic: If you are developing or maintaining custom programs, review the logic to ensure that locks are being managed correctly. Ensure that locks are not being released prematurely.
  Increase Timeout Settings: If session timeouts are a frequent issue, consider increasing the timeout settings in the system configuration.
  Monitor System Performance: Check for any performance issues or errors in the system that might be causing locks to be released unexpectedly.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on best practices for lock management.
  Re-execute the Transaction: If the lock was removed due to a temporary issue, re-executing the transaction may resolve the problem.
  
  Related Information:
  
  Lock Objects: In SAP, lock objects are defined in the Data Dictionary (SE11) and are used to prevent concurrent access to data that could lead to inconsistencies.
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SE11: To view and manage lock objects.
  SM21: To check system logs for any related errors or warnings.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it is affecting critical business processes.
  
  By following these steps, you should be able to diagnose and resolve the REP156 error effectively.