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

SAP Error Message - Details

• Message type: E = Error

• Message class: HUFUNCTIONS - Messages from FB with HU services without global t.

• Message number: 181

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

What causes this issue?

More than one delivery was generated. The affected handling units
cannot clearly be assigned to one delivery. This is not admissible.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

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

  The SAP error message HUFUNCTIONS181 indicates that a handling unit (HU) is being attempted to be assigned to multiple deliveries, which is not allowed in the SAP system. Each handling unit can only be associated with a single delivery at any given time.
  Cause:
  The error typically occurs due to one of the following reasons:
  
  Duplicate Assignment: The handling unit has already been 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 multiple deliveries.
  System Configuration: There may be configuration settings in the SAP system that restrict the handling unit assignment.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Current Assignments:
  
  Use transaction code HU02 (Display Handling Unit) to check the current status of the handling unit. Verify if it is already assigned to another delivery.
  
  
  
  Unassign the Handling Unit:
  
  If the handling unit is assigned to a different delivery, you will need to unassign it from that delivery before you can assign it to a new one. This can typically be done using transaction code HU02 or HU03 (Change Handling Unit).
  
  
  
  Review Delivery Process:
  
  Ensure that the handling unit is being processed correctly according to the business process. Make sure that the handling unit is not being reused incorrectly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team to understand the specific configurations that may be affecting handling unit assignments.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements in your SAP system related to handling units, review them to ensure they are not causing the issue.
  
  
  
  Related Information:
  
  Handling Units: In SAP, handling units are used to manage logistics processes and can represent physical packaging units. They can be used in various processes such as shipping, receiving, and inventory management.
  Transaction Codes:
  
  HU02: Display Handling Unit
  HU03: Change Handling Unit
  VL02N: Change Outbound Delivery
  VL03N: Display Outbound Delivery
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to handling units and deliveries.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult SAP's support portal for further assistance.