How To Fix /SCWM/HUFUNCTIONS181 - A handling unit cannot be assigned to several deliveries

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HUFUNCTIONS -

• Message number: 181

• Message text: A handling unit cannot be assigned to several deliveries

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HUFUNCTIONS181 - A handling unit cannot be assigned to several deliveries ?

  The SAP error message /SCWM/HUFUNCTIONS181 indicates that a handling unit (HU) is being attempted to be assigned to multiple deliveries, which is not allowed in the SAP system. Handling units are unique identifiers for packaging materials that can contain one or more products, and they are designed to be associated with a single delivery at a time.
  Cause:
  The error occurs due to the following reasons:
  
  Multiple Assignments: The handling unit is already assigned to another delivery, and the system does not allow it to be assigned to a new delivery until it is unassigned from the previous one.
  Incorrect Process Flow: The process flow may not be correctly followed, leading to attempts to assign the same HU to different deliveries.
  System Configuration: There may be specific configurations in the system that restrict the assignment of HUs to multiple deliveries.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Current Assignments:
  
  Use transaction code /SCWM/HU to check the current status of the handling unit. Verify if it is already assigned to another delivery.
  If it is assigned, you will need to unassign it from the current delivery before assigning it to a new one.
  
  
  
  Unassign the Handling Unit:
  
  If the HU is assigned to a different delivery, you can unassign it using the appropriate transaction (e.g., /SCWM/HU or /SCWM/DELIVERY).
  Ensure that the handling unit is not in use in any other processes before unassigning.
  
  
  
  Reassign the Handling Unit:
  
  Once the HU is unassigned, you can proceed to assign it to the desired delivery.
  
  
  
  Review Process Flow:
  
  Ensure that the process flow you are following is correct and that you are not inadvertently trying to assign the same HU to multiple deliveries.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific configurations or restrictions that may apply to your system.
  
  
  
  Related Information:
  
  Handling Units in SAP: Understanding how handling units work in SAP Extended Warehouse Management (EWM) is crucial. HUs are used to manage inventory and logistics processes effectively.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCWM/HU, /SCWM/DELIVERY, and others that may help in managing handling units and deliveries.
  SAP Notes: Check for any SAP Notes related to handling units and deliveries that may provide additional insights or solutions to similar issues.
  
  By following these steps, you should be able to resolve the error and manage handling units effectively within your SAP system.