How To Fix /SAPAPO/TSM305 - Scheduling agreement locked by other user

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 305

• Message text: Scheduling agreement locked by other user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSM305 - Scheduling agreement locked by other user ?

  The SAP error message /SAPAPO/TSM305 indicates that a scheduling agreement is locked by another user. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when multiple users attempt to access or modify the same scheduling agreement simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the scheduling agreement, which locks it for other users.
  Session Timeout: A previous session may not have been properly closed, leaving the scheduling agreement locked.
  System Issues: Sometimes, system errors or crashes can lead to locks that are not released properly.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work may resolve the issue. You can try again after some time.
  Identify the Lock: Use transaction code SM12 to check for locks in the system. You can see which user is holding the lock and the object that is locked.
  
  In SM12, enter the relevant user ID or object name to find 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 disrupt the other user's work.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check if any jobs are running that might be causing the lock.
  Contact the User: If you identify the user holding the lock, you can reach out to them to see if they can release it.
  System Restart: In rare cases, a system restart may be necessary to clear persistent locks, but this should be done as a last resort and typically requires coordination with your IT department.
  
  Related Information:
  
  Lock Management: Understanding how locks work in SAP can help prevent issues. Locks are used to ensure data integrity when multiple users are accessing the same data.
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify scheduling agreements.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to locking mechanisms in your version of SAP APO.
  Training: Providing training to users on how to properly close sessions and avoid leaving locks can help reduce the frequency of this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.