How To Fix 03113 - System error during lock operation. Execute diagnostics in SM12

SAP Error Message - Details

• Message type: E = Error

• Message class: 03 -

• Message number: 113

• Message text: System error during lock operation. Execute diagnostics in SM12

What causes this issue?

An error occurred in the SAP lock management whilst trying to to lock
an object by calling the ENQUEUE function module.

System Response

The SAP System is unable to enter the required locks in the lock tables
managed in the ENQUEUE server. The ENQUEUE function module therefore
triggers an exception. If this exception is not handled by the
application program, the current transaction will be automatically
terminated.

How to fix this error?

The most frequent reason for the error message is that you can no
longer access the ENQUEUE server. The reason for this could be that
either the ENQUEUE server itself or the message server that creates the
link between the application server and the ENQUEUE server in a
decentral system configuration is not running.
Contact the system administrator responsible. Execute the diagnosis
function in the lock management to analyze the problem: Transaction
SM12, <LS>Extras -> Diagnosis -> Diagnosis in update task</>.
With SAP's agreement you can use the extended diagnosis functions that
are shown when you enter OK code "TEST".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 03113 - System error during lock operation. Execute diagnostics in SM12 ?

  The SAP error message "03113 System error during lock operation" typically indicates that there is an issue related to the lock management in the SAP system. This error can occur for various reasons, including database issues, inconsistencies in the lock table, or problems with the application server.
  Causes:
  
  Database Issues: Problems with the underlying database can lead to lock management errors.
  Lock Table Inconsistencies: If the lock table is inconsistent or corrupted, it can cause this error.
  Application Server Problems: Issues with the application server or its configuration can also lead to this error.
  Network Issues: Network interruptions or failures can affect communication between the application server and the database.
  Resource Limitations: Insufficient resources (like memory or CPU) on the application server can lead to this error.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for any existing lock entries. You can delete any unnecessary or stale locks that may be causing the issue.
  Execute Diagnostics: Follow the recommendation in the error message to execute diagnostics in SM12. This can help identify any issues with the lock management.
  Check System Logs: Use transaction code SM21 to check the system logs for any related error messages or warnings that could provide more context.
  Database Consistency Check: If you suspect database issues, perform a consistency check on the database. This may require the assistance of your database administrator.
  Restart Application Server: If the issue persists, consider restarting the application server to clear any temporary issues.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Contact SAP Support: If the problem continues after trying the above solutions, it may be necessary to contact SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To manage lock entries.
  SM21: To view system logs.
  SM37: To check job logs for any related background jobs that may have failed.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  System Performance: Monitor system performance metrics to ensure that the application server and database are not under heavy load.
  
  By following these steps, you should be able to diagnose and resolve the "03113 System error during lock operation" error in your SAP system.