How To Fix /SAPAPO/SDP_TLBGUI026 - The selection chosen is locked by user &1

/SAPAPO/SDP_TLBGUI026 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP_TLBGUI -

• Message number: 026

• Message text: The selection chosen is locked by user &1

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 /SAPAPO/SDP_TLBGUI026 - The selection chosen is locked by user &1 ?

  The SAP error message /SAPAPO/SDP_TLBGUI026 indicates that the selection you are trying to access in the SAP Advanced Planning and Optimization (APO) system is currently locked by another user. This typically occurs when a user is actively working on a planning selection, and the system prevents other users from making changes to avoid conflicts.
  
  Cause:
  
  User Lock: Another user has opened the same planning selection and has not yet released it.
  Session Timeout: The previous user may have left the session open, causing the lock to persist.
  System Configuration: Certain configurations in the system may lead to prolonged locks on selections.
  
  
  Solution:
  
  Wait and Retry: If the lock is temporary, you can wait for the other user to finish their work and release the lock. You can try again after some time.
  Identify the Locking User: If you have the necessary permissions, you can check who is currently locking the selection. You can do this by:
  Using transaction