How To Fix KA118 - System error during locking

SAP Error Message - Details

• Message type: E = Error

• Message class: KA - CO Overhead Costs: Overhead, Accrual Calculation

• Message number: 118

• Message text: System error during locking

How to fix this error?

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 KA118 - System error during locking ?

  The SAP error message KA118, which states "System error during locking," typically occurs when there is an issue with the locking mechanism in the SAP system. This can happen during various operations, such as when trying to post a transaction or when accessing certain data that requires exclusive access.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with database locks, such as deadlocks or timeouts.
  System Performance: High system load or performance issues can lead to locking problems.
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to locking errors.
  Transport Issues: If there are ongoing transports or changes being made to the system, it may cause temporary locking issues.
  User Session Conflicts: Multiple users trying to access the same data simultaneously can lead to conflicts.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can delete any unnecessary locks that may be causing the issue.
  Review System Performance: Monitor system performance using transaction codes like ST22 (dump analysis) and SM21 (system log) to identify any underlying issues.
  Restart the Application Server: If the issue persists, restarting the application server may help resolve temporary locking issues.
  Check for Deadlocks: Use transaction code SM50 to monitor active processes and check for deadlocks.
  Consult Basis Team: If the problem continues, it may be necessary to involve the SAP Basis team to investigate deeper system or database issues.
  Review Configuration: Ensure that the system configuration is correct and that there are no settings that could lead to locking issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to KA118 for any specific patches or updates that may address the issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SM21, ST22, and SM50 for monitoring and troubleshooting.
  User Documentation: Review SAP documentation for best practices on handling locking issues and system performance.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to SAP support for further assistance.