How To Fix 5A665 - & & & already locked by another transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 665

• Message text: & & & already locked by another transaction

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 5A665 - & & & already locked by another transaction ?

  The SAP error message "5A665: & & & already locked by another transaction" indicates that a particular object (such as a document, record, or data entry) is currently locked by another transaction. This locking mechanism is a part of SAP's concurrency control to ensure data integrity and prevent conflicts when multiple users or processes attempt to access or modify the same data simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same object, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock for an extended period, preventing others from accessing the same object.
  Uncommitted Transactions: If a transaction is not properly committed or rolled back, it may leave locks in place.
  System Errors: Occasionally, system errors or crashes can leave locks in place that need to be cleared.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Locking Transaction:
  
  Use transaction codes like SM12 (Display and Delete Locks) to identify which user or transaction is holding the lock.
  Check the details of the locking transaction to understand why it is holding the lock.
  
  
  Contact the User: If you identify the user or transaction holding the lock, you can contact them to see if they can release the lock by completing or canceling their transaction.
  Release the Lock: If necessary and if you have the appropriate permissions, you can manually delete the lock using transaction SM12. However, this should be done with caution, as it may lead to data inconsistency if the other transaction is still in progress.
  Review System Performance: If locks are a frequent issue, consider reviewing system performance and transaction design to minimize long-running transactions and improve concurrency handling.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses different types of locks (e.g., exclusive locks, shared locks) to manage data access.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any errors or warnings that might indicate issues with transactions.
  ST22: To analyze dumps that may have occurred due to locking issues.
  
  
  Best Practices: Encourage users to complete transactions promptly and avoid long-running processes that can lead to locks.
  
  If the issue persists or if you are unsure about how to proceed, it may be beneficial to consult with your SAP Basis team or technical support for further assistance.