How To Fix /SAPAPO/SDP_TLBGUI023 - The chosen selection has been locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SDP_TLBGUI -

• Message number: 023

• Message text: The chosen selection has been 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.

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

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP_TLBGUI023 - The chosen selection has been locked ?

  The SAP error message /SAPAPO/SDP_TLBGUI023 indicates that the selection you are trying to work with in the SAP Advanced Planning and Optimization (APO) system has been locked. This typically occurs when another user or process is currently using the same selection, preventing you from making changes or accessing it.
  Causes:
  
  Concurrent Access: Another user is currently using the same selection criteria or has locked the selection for editing.
  System Processes: Background jobs or processes may be running that lock the selection for a certain period.
  User Lock: The selection might be locked due to a previous session that did not close properly or was terminated unexpectedly.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary (e.g., due to another user), wait for a few moments and try again.
  Check Active Sessions: Use transaction code SM12 to check for any active locks. You can see which user or process is holding the lock and take appropriate action.
  Release Locks: If you have the necessary authorizations, you can manually release the lock from SM12. Be cautious when doing this, as it may disrupt other users.
  Contact Administrator: If you are unable to resolve the issue, contact your SAP system administrator for assistance. They can provide insights into the lock and help resolve it.
  Review Background Jobs: Check if there are any background jobs running that might be causing the lock. You can use transaction SM37 to monitor background jobs.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  SM21: To check system logs for any related errors or warnings.
  
  
  User Documentation: Refer to SAP Help documentation for more details on handling locks and troubleshooting in APO.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  By following these steps, you should be able to identify the cause of the lock and take appropriate action to resolve the error.