How To Fix KE252 - Error has occurred in lock routine

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 252

• Message text: Error has occurred in lock routine

What causes this issue?

When accessing function module ENQUEUE_EKET256, an error occurred.

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?

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 KE252 - Error has occurred in lock routine ?

  The SAP error message KE252, which states "Error has occurred in lock routine," typically occurs in the context of CO (Controlling) module transactions, particularly when dealing with cost center accounting, internal orders, or profit center accounting. This error is related to issues with database locks that are used to ensure data integrity during transactions.
  Causes of KE252 Error
  
  
  Database Lock Conflicts: The most common cause of this error is a conflict with database locks. This can happen if multiple users or processes are trying to access or modify the same data simultaneously.
  
  
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, leading to conflicts with other transactions.
  
  
  System Performance Issues: High system load or performance issues can lead to delays in processing, which may cause lock timeouts.
  
  
  Inconsistent Data: If there are inconsistencies in the data being processed, it may lead to errors in the locking mechanism.
  
  
  Custom Code or Enhancements: If there are custom programs or enhancements that manipulate data in the CO module, they may inadvertently cause locking issues.
  
  
  Solutions to KE252 Error
  
  
  Check for Lock Entries: Use transaction code SM12 to check for existing lock entries. If you find locks that are no longer needed, you can delete them (if you have the necessary authorizations).
  
  
  Review Long-Running Transactions: Identify any long-running transactions that may be holding locks. You can use transaction SM66 to monitor active processes and see if any are taking an unusually long time.
  
  
  Optimize Performance: If the system is under heavy load, consider optimizing performance by checking for background jobs, reducing the number of concurrent users, or increasing system resources.
  
  
  Review Custom Code: If there are custom developments, review the code for any locking mechanisms that may not be implemented correctly. Ensure that locks are released properly after processing.
  
  
  Retry the Transaction: Sometimes, simply retrying the transaction after a short wait can resolve the issue, especially if it was caused by a temporary lock.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and SM66 (for monitoring active processes).
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  User Authorizations: Ensure that users have the necessary authorizations to perform the actions they are attempting, as lack of authorization can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to diagnose and resolve the KE252 error in SAP.