How To Fix /SAPAPO/CDPSSIMULATI003 - Simulation version &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSSIMULATI -

• Message number: 003

• Message text: Simulation version &1 is locked by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSSIMULATI003 - Simulation version &1 is locked by user &2 ?

  The SAP error message /SAPAPO/CDPSSIMULATI003 indicates that a simulation version in the SAP Advanced Planning and Optimization (APO) system is currently locked by another user. This typically occurs when one user is working on a simulation version, and another user attempts to access or modify it at the same time.
  Cause:
  
  User Locking: The simulation version is locked by a user who is currently editing or running a simulation on that version.
  Session Issues: Sometimes, a session may not have been properly closed, leaving the version locked.
  System Configuration: Certain configurations in the system may lead to locking issues if not managed properly.
  
  Solution:
  
  Wait for Release: If the user who has locked the simulation version is actively working on it, you may need to wait until they finish and release the lock.
  Identify the Locking User: You can check who is currently locking the version. This can be done using transaction codes like SM12 (to view locks) or SM21 (to view system logs).
  Contact the Locking User: If possible, reach out to the user who has the lock to see if they can release it or if they are done with their work.
  Force Release the Lock: If the locking user is unavailable and you have the necessary authorizations, you can manually release the lock using transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the user is still working on the version.
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Check if there are any running jobs that might be causing the lock.
  System Restart: In rare cases, a system restart may be required to clear locks, but this should be done as a last resort and typically requires coordination with your IT department.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to view system logs), and ST22 (to check for dumps).
  User Authorization: Ensure that you have the necessary authorizations to view and manage locks in the system.
  Documentation: Refer to SAP documentation or support notes for more detailed information on handling locks in APO.
  
  If the issue persists or if you are unsure about taking any actions, it is advisable to consult with your SAP Basis team or SAP support for further assistance.