How To Fix KA742 - System error during locking

KA742 - Overview

• Message type: E = Error

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

• Message number: 742

• Message text: System error during locking

What causes this issue?

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 KA742 - System error during locking ?

  The SAP error message KA742 ("System error during locking") typically indicates that there is an issue with the locking mechanism in the SAP system, which is essential for ensuring data integrity during transactions. This error can occur in various contexts, such as during the posting of documents, running reports, or executing transactions that require exclusive access to certain data.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with the 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 or database can lead to locking errors.
  Transport Issues: If there are issues with transport requests that affect the locking mechanism, this error may occur.
  User Session Conflicts: Multiple users trying to access the same data simultaneously can lead to locking conflicts.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You