How To Fix /SCWM/WHO527 - HU &1 is already assigned to the warehouse order with HU ID &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WHO -

• Message number: 527

• Message text: HU &1 is already assigned to the warehouse order with HU ID &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/WHO527 - HU &1 is already assigned to the warehouse order with HU ID &2 ?

  The SAP error message /SCWM/WHO527 HU &1 is already assigned to the warehouse order with HU ID &2 typically occurs in the context of the Extended Warehouse Management (EWM) module when handling Handling Units (HUs). This error indicates that the specified Handling Unit (HU) is already linked to a different warehouse order, which prevents it from being assigned to the current warehouse order.
  Cause:
  
  Duplicate Assignment: The Handling Unit (HU) you are trying to assign is already associated with another warehouse order. This can happen if the HU was not properly released or if there was an attempt to assign it to multiple orders simultaneously.
  System Configuration: There may be specific configurations or settings in the EWM system that restrict the assignment of HUs to multiple warehouse orders.
  User Error: The user may have mistakenly attempted to assign the same HU to different warehouse orders without realizing it.
  
  Solution:
  
  Check Current Assignments: Verify the current assignments of the HU in question. You can do this by checking the warehouse order details or using transaction codes related to handling units in EWM.
  Release the HU: If the HU is no longer needed for the original warehouse order, you may need to release it from that order before assigning it to a new one. This can typically be done through the EWM interface.
  Use a Different HU: If the HU is actively being used in another process, consider using a different HU for the new warehouse order.
  Consult Logs: Check system logs or error messages for additional context that may help identify why the HU is still assigned to the previous order.
  System Configuration Review: If this issue occurs frequently, it may be worth reviewing the system configuration or consulting with your SAP Basis or EWM support team to ensure that the settings are appropriate for your warehouse processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/HU for handling unit management, to help troubleshoot and manage HUs effectively.
  Documentation: Refer to SAP Help documentation for Extended Warehouse Management for detailed information on handling units and warehouse order processing.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance, especially if it seems to be a system-related issue.
  
  By following these steps, you should be able to resolve the error and manage your handling units effectively within the SAP EWM system.