How To Fix J2064 - &4 Object already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 064

• Message text: &4 Object already locked

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message J2064 - &4 Object already locked ?

  The SAP error message J2064 &4 "Object already locked" typically occurs when a user attempts to access or modify an object (such as a document, record, or transaction) that is currently locked by another user or process. This locking mechanism is in place to prevent data inconsistencies and ensure data integrity during concurrent access.
  Causes:
  
  Concurrent Access: Another user or process is currently editing or processing the same object.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the object for an extended period.
  Uncommitted Changes: If a user has made changes to an object but has not yet saved or committed those changes, the object remains locked.
  System Errors: Occasionally, system errors or crashes can leave objects in a locked state.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the object. You can check the lock entries and see if you can contact the user to release the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the object.
  Check for Long-running Transactions: If a transaction is taking too long, investigate why it is taking longer than expected and address any performance issues.
  System Administration: If the issue persists, it may require intervention from your SAP Basis team to investigate and resolve any underlying system issues.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks can be exclusive (only one user can access) or shared (multiple users can access).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for errors that may indicate why locks are not being released.
  ST22: Analyze dumps that may provide insight into system errors.
  
  
  User Training: Ensure that users are trained on how to properly save and commit their changes to avoid leaving objects locked unintentionally.
  
  If the problem continues to occur frequently, it may be beneficial to review the business processes and user training to minimize the occurrence of locked objects.