How To Fix /IWFND/MED192 - Model is locked '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/MED -

• Message number: 192

• Message text: Model is locked '&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/MED192 - Model is locked '&1' ?

  The SAP error message /IWFND/MED192 Model is locked '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that the data model you are trying to access or modify is currently locked, which prevents any changes or access to it until the lock is released.
  Cause:
  
  Concurrent Access: The model may be locked because another user or process is currently accessing or modifying it.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the model.
  System Issues: Sometimes, system issues or bugs can lead to locks not being released properly.
  Development Activities: If you are in a development environment, it could be due to ongoing development activities that have not been completed.
  
  Solution:
  
  Check Lock Status: Use transaction code SM12 to check for locks in the system. You can filter by user or object to find the specific lock.
  Release Locks: If you find that a lock is held by a user or process that is no longer active, you can manually release the lock from the SM12 transaction.
  Wait for Completion: If the lock is held by a legitimate process, you may need to wait for that process to complete.
  Restart Services: In some cases, restarting the SAP Gateway service or the application server may help in releasing the lock.
  Check for Errors: Review the system logs (transaction SLG1) for any errors that might indicate why the lock is being held.
  Contact Basis Team: If you are unable to resolve the issue, it may be necessary to contact your SAP Basis team for assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SLG1: To check application logs for errors.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to model locking in your specific version of SAP.
  Documentation: Review SAP documentation on OData services and SAP Gateway for best practices regarding model management and locking.
  
  By following these steps, you should be able to identify the cause of the lock and take appropriate action to resolve the error.