How To Fix KK351 - Model &1 is being processed by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 351

• Message text: Model &1 is being processed by user &2

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 KK351 - Model &1 is being processed by user &2 ?

  The SAP error message KK351 indicates that a particular model (in this case, a cost model) is currently being processed by another user. This typically occurs in the context of cost planning or controlling activities where multiple users may attempt to access or modify the same model simultaneously.
  Cause:
  
  Concurrent Access: The primary cause of this error is that another user is currently working on the same model. SAP locks the model to prevent data inconsistencies that could arise from simultaneous modifications.
  Long Processing Time: If a user is taking a long time to process the model, it can lead to this error for other users trying to access it.
  Session Issues: Sometimes, a user may have an open session that is still holding a lock on the model even after they have finished their work.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish processing the model. Once they are done, you should be able to access it without any issues.
  Identify the User: If you have the necessary permissions, you can check who is currently using the model. This can often be done through transaction codes like SM12 (to view locks) or SM21 (to view system logs).
  Contact the User: If possible, communicate with the user who is currently processing the model to see if they can finish their work or release the lock.
  System Administrator Intervention: If the lock persists and you cannot identify the user or if the user is no longer active, you may need to involve a system administrator. They can release the lock if necessary.
  Review Process: If this issue occurs frequently, it may be worth reviewing the process to ensure that users are not stepping on each other's toes. Consider implementing a scheduling system for model processing.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like KK01 (Create Cost Center), KK02 (Change Cost Center), and KK03 (Display Cost Center) for working with cost models.
  Lock Management: Understanding how SAP handles locks can help in troubleshooting similar issues in the future. Locks are typically managed at the database level to ensure data integrity.
  User Training: Providing training to users on how to manage their sessions and avoid long processing times can help mitigate this issue.
  
  If the problem persists or if you encounter additional errors, it may be beneficial to consult SAP support or your internal IT team for further assistance.