How To Fix /SCWM/WHO409 - Queue &1 for WO &2 and queue &3 for WT &4 are different

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WHO -

• Message number: 409

• Message text: Queue &1 for WO &2 and queue &3 for WT &4 are different

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/WHO409 - Queue &1 for WO &2 and queue &3 for WT &4 are different ?

  The SAP error message /SCWM/WHO409 typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) when there is a mismatch between the queue associated with a Work Order (WO) and the queue associated with a Warehouse Task (WT). This can happen during various processes, such as picking, putaway, or inventory management.
  Cause:
  The error indicates that the system has detected a discrepancy between the queues assigned to the Work Order and the Warehouse Task. This can occur due to several reasons:
  
  Configuration Issues: Incorrect configuration of queues in the system.
  Manual Changes: Manual changes made to the queues after the Work Order or Warehouse Task was created.
  Data Consistency Issues: Data inconsistencies in the system, possibly due to incomplete transactions or errors during processing.
  System Bugs: Occasionally, bugs in the SAP system can lead to such discrepancies.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Queue Assignments:
  
  Verify the queue assignments for both the Work Order and the Warehouse Task. Ensure that they are supposed to be the same based on your business process.
  
  
  
  Reassign Queues:
  
  If the queues are indeed different and should be the same, you may need to reassign the queue for either the Work Order or the Warehouse Task to match the other.
  
  
  
  Review Configuration:
  
  Check the configuration settings for queues in your SAP system. Ensure that they are set up correctly according to your warehouse processes.
  
  
  
  Transaction Logs:
  
  Review transaction logs to identify any recent changes that may have led to this inconsistency.
  
  
  
  System Consistency Check:
  
  Run consistency checks in the system to identify and resolve any underlying data issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may be available.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SCWM/PRDIAG for diagnostics or /SCWM/QUEUE to manage queues.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.