How To Fix KO279 - System error during locking

KO279 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 279

• Message text: System error during locking

What causes this issue?

A system error occurred during blocking.

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?

Please notify your systems analyst.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO279 - System error during locking ?

  The SAP error message KO279, which states "System error during locking," typically occurs in the context of controlling (CO) or financial (FI) transactions when the system encounters an issue while trying to lock a resource for processing. This can happen during various operations, such as posting transactions, running reports, or executing batch jobs.
  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 cause temporary locking issues.
  
  Solutions:
  
  Check Lock Entries: Use transaction