How To Fix M2128 - Another user is creating this field catalog

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 128

• Message text: Another user is creating this field catalog

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 M2128 - Another user is creating this field catalog ?

  The SAP error message M2128, which states "Another user is creating this field catalog," typically occurs when multiple users are trying to create or modify the same field catalog in a report or transaction at the same time. This can lead to conflicts, as SAP does not allow simultaneous modifications to the same object.
  Cause:
  
  Concurrent Access: The primary cause of this error is that another user is currently working on the same field catalog, which prevents you from making changes until the other user has completed their task.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. When one user is editing a field catalog, it locks that object for other users.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for a few moments and then try again. If the other user is done, you should be able to access the field catalog without issues.
  Check Active Users: If you have access to transaction codes like SM12 (for lock entries) or SM21 (for system logs), you can check if another user is currently editing the field catalog. If you identify the user, you can communicate with them to see if they can finish their work.
  Session Management: Ensure that you are not unintentionally holding onto a session that is locking the field catalog. If you have multiple sessions open, close any that are not needed.
  Contact Support: If the issue persists and you cannot identify the other user, it may be necessary to contact your SAP support team or system administrator for assistance. They can help identify the lock and potentially release it if necessary.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage lock entries) and SM21 (to view system logs) for troubleshooting.
  User Communication: If you are in a collaborative environment, consider establishing a protocol for editing shared resources to minimize conflicts.
  Documentation: Review SAP documentation or help files related to field catalogs and locking mechanisms for more detailed information on how these work within your specific SAP environment.
  
  By following these steps, you should be able to resolve the M2128 error and continue your work in SAP.