How To Fix GK020 - System error occurred during lock management

SAP Error Message - Details

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 020

• Message text: System error occurred during lock management

What causes this issue?

An error occurred in the system locking administration. The requested
object cannot be locked at this time.

System Response

Error

How to fix this error?

Contact your system administrator or exit the transaction and try again
later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GK020 - System error occurred during lock management ?

  The SAP error message GK020, which states "System error occurred during lock management," typically indicates an issue with the lock management system in SAP. This can occur due to various reasons, including database issues, inconsistencies in the lock table, or problems with the SAP kernel.
  Causes:
  
  Database Issues: Problems with the underlying database can lead to lock management errors. This could be due to database corruption, connectivity issues, or performance problems.
  Lock Table Inconsistencies: If there are inconsistencies in the lock table, it can cause errors when trying to acquire or release locks.
  Kernel Bugs: Sometimes, bugs in the SAP kernel or the application server can lead to this error.
  Resource Limitations: Insufficient resources (like memory or CPU) on the application server can also lead to lock management issues.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to problems with lock management.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Restart the Application Server: Sometimes, simply restarting the application server can resolve temporary issues with lock management.
  Check Database Health: Use database tools to check for any issues with the database. Ensure that the database is running optimally and that there are no locks or deadlocks.
  Clear Lock Entries: You can use transaction SM12 to check for and delete any orphaned lock entries that may be causing issues.
  Update SAP Kernel: Ensure that you are using the latest version of the SAP kernel, as updates often include bug fixes and performance improvements.
  Check Configuration: Review the configuration settings related to lock management and ensure they are set correctly.
  Contact SAP Support: If the issue persists, it may be necessary to contact SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM21: System Log
  SM12: Display and Delete Locks
  SM37: Job Monitoring
  SM50: Process Overview
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Performance Monitoring: Use transaction ST03N to analyze system performance and identify any bottlenecks that may be contributing to the issue.
  
  By following these steps, you should be able to diagnose and potentially resolve the GK020 error in your SAP system.