How To Fix KOSA006 - System error during locking

SAP Error Message - Details

• Message type: E = Error

• Message class: KOSA - Product Cost Collector

• Message number: 006

• Message text: System error during locking

What causes this issue?

System error.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Notify your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KOSA006 - System error during locking ?

  The SAP error message KOSA006 ("System error during locking") typically occurs in the context of controlling (CO) and can be related to various issues, particularly when the system is trying to lock a resource for processing. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Database Lock Issues: The error may arise due to problems with database locks, where the system is unable to acquire a lock on a required resource.
  Concurrency Issues: Multiple users or processes trying to access the same resource simultaneously can lead to locking conflicts.
  System Performance: High system load or performance issues can cause delays in acquiring locks, leading to timeouts and errors.
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to locking problems.
  Transport Issues: If there are ongoing transports or changes being made to the system, it may affect locking mechanisms.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are stale locks, you may need to delete them.
  Review System Logs: Check the system logs (transaction SM21) for any related error messages that could provide more context on the issue.
  Transaction Monitoring: Use transaction SM66 to monitor active processes and identify any long-running transactions that may be causing locking issues.
  Increase Timeout Settings: If the issue is related to timeouts, consider increasing the timeout settings for database connections.
  System Performance Tuning: Analyze and optimize system performance to reduce load and improve response times.
  Consult Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate deeper into system configurations and database performance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to KOSA006 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation for best practices on managing locks and performance tuning in SAP systems.
  
  If the problem continues after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.