How To Fix AD025 - System error in lock management

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 025

• Message text: System error in lock management

What causes this issue?

A system error has occurred in the lock management function.
The system was unable to determine whether a lock entry existed for the
selected object.

System Response

The selected object could not be locked.
Only display mode can be used.

How to fix this error?

Make a note of the error code and inform your
system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD025 - System error in lock management ?

  The SAP error message AD025, which indicates a "System error in lock management," typically arises when there are issues related to the lock management system in SAP. This can occur due to various reasons, including database inconsistencies, issues with the lock table, or problems with the application server.
  Causes:
  
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Database Issues: There may be inconsistencies or corruption in the database that affect lock management.
  Application Server Problems: Issues with the application server or its configuration can lead to lock management errors.
  Network Issues: Network problems can disrupt communication between the application server and the database.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in lock management.
  
  Solutions:
  
  
  Check Lock Table Status:
  
  Use transaction code SM12 to check the lock entries. If the lock table is full, you may need to delete unnecessary locks.
  
  
  
  Restart Application Server:
  
  Sometimes, simply restarting the application server can resolve temporary issues with lock management.
  
  
  
  Database Consistency Check:
  
  Perform a database consistency check using transaction code DB02 or similar tools to identify and resolve any inconsistencies.
  
  
  
  Increase Lock Table Size:
  
  If the lock table is frequently full, consider increasing its size in the system profile parameters.
  
  
  
  Check System Resources:
  
  Monitor system resources (CPU, memory, etc.) to ensure that the server is not under heavy load.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to AD025.
  
  
  
  Contact SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring errors and warnings.
  DB02: Database performance and consistency checks.
  
  
  
  SAP Notes: Always check for the latest SAP Notes related to lock management and the specific error message AD025, as they may provide patches or specific instructions for your version of SAP.
  
  
  Documentation: Review SAP documentation for lock management to understand how locks are handled and best practices for managing them.
  
  
  By following these steps, you should be able to diagnose and resolve the AD025 error in your SAP system.