How To Fix CP126 - Reference operation set &1 is being edited by &2

CP126 - Overview

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 126

• Message text: Reference operation set &1 is being edited by &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CP126 - Reference operation set &1 is being edited by &2 ?

  The SAP error message CP126 indicates that a reference operation set (ROS) is currently being edited by another user. This can occur in various scenarios, particularly when multiple users are trying to access or modify the same reference operation set simultaneously.
  
  Cause:
  
  Concurrent Access: The primary cause of this error is that another user has locked the reference operation set for editing. SAP locks certain objects to prevent data inconsistencies that can arise from concurrent modifications.
  Session Timeout: If a user has left a session open for an extended period, it may still hold a lock on the reference operation set.
  System Issues: Occasionally, system issues or bugs can lead to locks not being released properly.
  
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish editing the reference operation set and then try again.
  Check Lock Entries: You can check the lock entries in the system using transaction code SM12.