How To Fix KO481 - Lock was removed

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 481

• Message text: Lock was removed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KO481 - Lock was removed ?

  The SAP error message KO481, which states "Lock was removed," typically occurs in the context of controlling and cost center accounting. This message indicates that a lock on a particular object (like a cost center or internal order) has been removed, which can happen for various reasons.
  Causes:
  
  User Actions: A user may have manually removed the lock, or the lock may have timed out due to inactivity.
  System Configuration: Certain configurations in the system may lead to locks being released prematurely.
  Transaction Errors: If a transaction is not completed properly, it may lead to the removal of locks.
  Concurrent Access: Multiple users trying to access or modify the same object can lead to locks being removed.
  
  Solutions:
  
  Re-Execute the Transaction: If the lock was removed due to a timeout or user action, simply re-executing the transaction may resolve the issue.
  Check for Concurrent Users: Ensure that no other users are trying to access the same object simultaneously. If they are, coordinate with them to avoid conflicts.
  Review System Logs: Check the system logs for any additional error messages or warnings that may provide more context about why the lock was removed.
  Adjust Lock Timeout Settings: If locks are being removed too quickly, consider adjusting the timeout settings in the system configuration.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, it may be necessary to contact SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KO01 (Create Internal Order), KO02 (Change Internal Order), and KO03 (Display Internal Order) to understand where the issue may be occurring.
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. You can use transaction code SM12 to view and manage locks in the system.
  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 behavior.
  
  By following these steps, you should be able to diagnose and resolve the KO481 error in SAP.