How To Fix KG353 - Data locked by user &

SAP Error Message - Details

• Message type: E = Error

• Message class: KG - CO-PA Planning

• Message number: 353

• Message text: Data locked by user &

What causes this issue?

The data could not be read as it is locked by user &V1&.

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?

Try the function again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KG353 - Data locked by user & ?

  The SAP error message KG353 ("Data locked by user &") typically occurs in the context of the Controlling (CO) module, particularly when users attempt to access or modify data that is currently locked by another user. This locking mechanism is in place to prevent data inconsistencies and ensure data integrity during transactions.
  Cause:
  
  User Locking: Another user is currently processing or has locked the data you are trying to access. This can happen during activities such as posting costs, running reports, or executing transactions that modify data in the CO module.
  Session Timeout: Sometimes, a user may have left a session open, which can lead to data being locked unintentionally.
  Long-running Transactions: If a transaction takes a long time to complete, it can hold locks on data for an extended period, preventing other users from accessing it.
  
  Solution:
  
  Identify the Locking User: Check the user ID mentioned in the error message. This will help you identify who is currently locking the data.
  Contact the User: If possible, reach out to the user who is locking the data and ask them to complete their transaction or release the lock.
  Use Transaction SM12: As a system administrator, you can use transaction code SM12 to view and manage lock entries. You can see which users are holding locks and, if necessary, release the locks. However, be cautious when doing this, as it may lead to data inconsistencies if the user is in the middle of a transaction.
  Wait and Retry: If the locking user is performing a legitimate transaction, it may be best to wait until they complete their work and then retry your action.
  Check for Long-running Processes: If you notice that locks are persisting for a long time, investigate any long-running processes that may be causing the issue.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP uses various types of locks (e.g., exclusive locks, shared locks) to control access to data.
  User Training: Ensure that users are trained on how to properly log off or complete their transactions to minimize the occurrence of locks.
  System Performance: Regularly monitor system performance and transaction times to identify any bottlenecks that may lead to prolonged locks.
  
  If the issue persists or if you are unsure about releasing locks, it may be advisable to consult with your SAP Basis team or system administrator for further assistance.