How To Fix T0198 - Class &1 is already being edited by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: T0 - General Treasury

• Message number: 198

• Message text: Class &1 is already being edited 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 T0198 - Class &1 is already being edited by user &2 ?

  The SAP error message T0198 indicates that a particular class (denoted by &1) is currently being edited by another user (denoted by &2). This typically occurs in the ABAP Workbench when multiple users attempt to edit the same object simultaneously, which is not allowed in SAP to prevent conflicts and data integrity issues.
  Cause:
  
  Concurrent Editing: Another user has locked the class for editing. SAP uses a locking mechanism to ensure that only one user can edit an object at a time.
  Session Left Open: A user may have left a session open without saving or closing it properly, which can lead to the object being locked.
  System Error: Occasionally, a system error or crash may leave a lock in place even if the user is no longer actively editing.
  
  Solution:
  
  Wait for Release: The simplest solution is to wait until the other user has finished editing the class and has released the lock.
  Contact the User: If you know who the user is, you can contact them to see if they can finish their work or release the lock.
  Check Lock Entries: You can check the lock entries in the system using transaction code SM12. This will show you which users have locks on which objects. If you have the necessary authorizations, you can delete the lock entry, but this should be done with caution and ideally after consulting with the user who holds the lock.
  Use Transaction SE80: If you are in a development environment, you can use transaction SE80 to check the status of the class and see if it is indeed locked.
  System Administrator: If the issue persists and you cannot resolve it, contact your SAP system administrator for assistance. They can help identify the cause and take appropriate action.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help prevent this issue. Locks are managed at the database level, and SAP provides various transactions (like SM12) to monitor and manage locks.
  Development Best Practices: Encourage team members to communicate when they are working on shared objects to avoid conflicts.
  User Training: Providing training on how to properly save and close sessions can help reduce the occurrence of this error.
  
  By following these steps, you should be able to resolve the T0198 error and continue your work in SAP.