How To Fix /SCTM/UI_RG012 - Schedule &1 already being processed by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCTM/UI_RG -

• Message number: 012

• Message text: Schedule &1 already being processed by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCTM/UI_RG012 - Schedule &1 already being processed by user &2 ?

  The SAP error message /SCTM/UI_RG012 Schedule &1 already being processed by user &2 typically occurs in the context of SAP Supply Chain Management (SCM) or SAP Transportation Management (TM). This error indicates that a particular schedule (identified by &1) is currently being processed by another user (identified by &2). 
  Cause:
  
  Concurrent Access: The most common cause of this error is that two users are trying to access or modify the same schedule simultaneously. SAP locks certain objects to prevent data inconsistencies, and if one user is already working on a schedule, another user will receive this error message.
  Session Issues: Sometimes, a user may have multiple sessions open, and the schedule is being processed in one of those sessions, leading to this error in another session.
  Long-Running Processes: If a process is taking a long time to complete, it may hold a lock on the schedule, preventing other users from accessing it.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish processing the schedule. Once the lock is released, you can try accessing the schedule again.
  Check Active Sessions: If you suspect that you have multiple sessions open, check your active sessions and close any that are not needed. This can help release any locks that may be causing the issue.
  Identify the User: If you have the necessary permissions, you can check which user is currently processing the schedule. This can be done using transaction codes like SM12 (to view locks) or SM66 (to view active processes).
  Contact the User: If you identify the user who is processing the schedule, you can reach out to them to coordinate access.
  System Administrator Intervention: If the issue persists and you cannot identify the user or if the lock seems to be stuck, you may need to contact your system administrator. They can investigate further and, if necessary, release the lock manually.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and SM66 (to monitor active processes).
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to access and modify schedules in the system.
  Documentation: Refer to SAP documentation or support notes related to SCM or TM for more detailed troubleshooting steps and best practices.
  
  By following these steps, you should be able to resolve the error and gain access to the schedule you need.