How To Fix LQ021 - Entry & & & could not be locked. Save again later.

SAP Error Message - Details

• Message type: E = Error

• Message class: LQ - Proposal Pool Management

• Message number: 021

• Message text: Entry & & & could not be locked. Save again later.

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 LQ021 - Entry & & & could not be locked. Save again later. ?

  The SAP error message LQ021, which states "Entry & & & could not be locked. Save again later," typically occurs when a user attempts to modify or save a record that is currently being accessed or modified by another user or process. This locking mechanism is a part of SAP's concurrency control to ensure data integrity.
  Causes:
  
  Record Locking: The most common cause is that the record you are trying to access is locked by another user or session. This can happen if another user is editing the same record or if a previous session did not release the lock properly.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, preventing others from accessing the same data.
  Background Jobs: Sometimes, background jobs or processes may lock records while they are being processed.
  System Issues: Occasionally, system issues or bugs can lead to improper locking behavior.
  
  Solutions:
  
  Wait and Retry: The simplest solution is to wait for a few moments and then try to save again. If the lock is temporary, it may be released shortly.
  Check for Active Sessions: Use transaction codes like SM12 (to view and manage lock entries) to check if there are any active locks on the record you are trying to access. If you find a lock that is no longer needed, you may be able to delete it (if you have the necessary authorizations).
  Communicate with Users: If you identify that another user is locking the record, communicate with them to see if they can release the lock.
  Review Background Jobs: Check if any background jobs are running that might be locking the record. You can use transaction SM37 to monitor background jobs.
  System Performance: If this issue occurs frequently, it may be worth investigating system performance and transaction handling to ensure that locks are being managed efficiently.
  Consult with Basis Team: If the problem persists, it may be necessary to consult with your SAP Basis team to investigate any underlying system issues or to check for any known bugs or patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (lock entries), SM21 (system log), and SM37 (job monitoring) to help diagnose and resolve locking issues.
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common problems.
  User Training: Ensure that users are trained on how to properly save and exit transactions to minimize the chances of leaving locks in place.
  
  By following these steps, you should be able to address the LQ021 error effectively.