How To Fix DMCLG899 - This step is not possible as other users are working on the same run id

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 899

• Message text: This step is not possible as other users are working on the same run id

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG899 - This step is not possible as other users are working on the same run id ?

  The SAP error message DMCLG899 indicates that a particular operation cannot be performed because other users are currently working on the same run ID. This typically occurs in scenarios where multiple users are trying to access or modify the same data or process simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Multiple users are trying to execute processes that involve the same run ID, which can happen in batch processing, data migration, or during certain transactions.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one user has locked a run ID, other users will be unable to access it until the lock is released.
  Long-Running Processes: If a process is taking longer than expected, it may block other users from accessing the same run ID.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other users to complete their tasks. Once they finish, you can retry your operation.
  Check Active Sessions: Use transaction codes like SM12 (to check for locks) or SM21 (to view system logs) to identify which users or processes are currently using the run ID.
  Communicate with Users: If possible, communicate with the other users to coordinate the use of the run ID, ensuring that only one user is working on it at a time.
  Review Process Design: If this issue occurs frequently, consider reviewing the process design to minimize concurrent access to the same run ID. This might involve scheduling tasks or implementing better user management practices.
  System Configuration: In some cases, adjusting system settings related to locking and concurrency might help, but this should be done with caution and typically requires the involvement of a system administrator.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to analyze dumps).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices on managing concurrent processes and user access.
  
  If the problem persists after trying these solutions, it may be necessary to involve your SAP Basis team or support for further investigation.