How To Fix /BOBF/CONF_MODEL_API020 - This enhancement is already locked by user '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF_MODEL_API -

• Message number: 020

• Message text: This enhancement is already 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/CONF_MODEL_API020 - This enhancement is already locked by user '&1' ?

  The SAP error message /BOBF/CONF_MODEL_API020 indicates that a specific enhancement or configuration model is currently locked by another user. This typically occurs in the context of the Business Object Processing Framework (BOPF) when multiple users attempt to modify the same object or configuration simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently editing or has locked the enhancement or configuration model you are trying to access.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  System Error: Occasionally, system errors or inconsistencies can lead to locks not being released properly.
  
  Solution:
  
  Wait and Retry: If the lock is held by another user, the simplest solution is to wait until they finish their work and release the lock. You can check with the user to see if they are done.
  Check Lock Entries: Use transaction code SM12 to view and manage lock entries. You can check if the lock is still active and identify the user who holds the lock.
  Release Lock: If you have the necessary authorizations and it is appropriate to do so, you can manually delete the lock entry in SM12. Be cautious with this approach, as it may disrupt the other user's work.
  Contact Basis Team: If the issue persists or if you suspect a system error, contact your SAP Basis team for assistance. They can help investigate and resolve any underlying issues.
  Review Configuration: Ensure that your configuration and enhancement processes are designed to minimize conflicts, such as implementing proper version control or change management practices.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot further.
  User Communication: Establish a communication protocol among users who work on the same enhancements to avoid conflicts.
  Documentation: Review SAP documentation or notes related to BOPF and locking mechanisms for best practices and troubleshooting tips.
  
  By following these steps, you should be able to address the error message and continue your work with the enhancement or configuration model.