How To Fix /SCWM/WHO429 - WT is subsystem relevant, action is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WHO -

• Message number: 429

• Message text: WT is subsystem relevant, action is not possible

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 /SCWM/WHO429 - WT is subsystem relevant, action is not possible ?

  The SAP error message /SCWM/WHO429 WT is subsystem relevant, action is not possible typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) when you are trying to perform an action on a Warehouse Task (WT) that is associated with a subsystem. This error indicates that the Warehouse Task is linked to a process that cannot be modified or canceled due to its subsystem relevance.
  Cause:
  
  Subsystem Relevance: The Warehouse Task is linked to a subsystem (like a conveyor system, automated storage/retrieval system, etc.) that is currently processing the task. Actions that would disrupt this process are not allowed.
  Task Status: The status of the Warehouse Task may not allow for the action you are trying to perform. For example, if the task is already in progress or completed, certain actions may be restricted.
  Configuration Issues: There may be configuration settings in the system that dictate how tasks related to subsystems are handled.
  
  Solution:
  
  Check Task Status: Verify the status of the Warehouse Task. If it is in progress or completed, you may need to wait until the task is finished before attempting to perform any actions.
  Review Subsystem Processes: If the task is linked to a subsystem, check the status of that subsystem. Ensure that it is functioning correctly and that there are no issues preventing the task from being processed.
  Consult Documentation: Review the SAP documentation related to Warehouse Management and the specific subsystem you are working with to understand the limitations and requirements for handling tasks.
  Use Alternative Actions: If the action you are trying to perform is not possible, consider alternative actions that may achieve your goal without disrupting the subsystem.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP experts who can provide guidance based on your specific system configuration and processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP EWM/WM that can help you monitor and manage Warehouse Tasks, such as /SCWM/PRDI for processing inbound deliveries or /SCWM/PRDI for outbound deliveries.
  Monitoring Tools: Use monitoring tools available in SAP to track the status of Warehouse Tasks and subsystems.
  Training and Documentation: Ensure that users are trained on the processes and limitations of working with subsystems in SAP EWM/WM to minimize the occurrence of such errors.
  
  By following these steps, you should be able to address the error message and understand the context in which it occurs.