How To Fix VHUREF018 - Object assignment of HU &1 does not allow changes to the reference

VHUREF018 - Overview

• Message type: E = Error

• Message class: VHUREF - Messages for Reserving HUs for Documents

• Message number: 018

• Message text: Object assignment of HU &1 does not allow changes to the reference

What causes this issue?

The handling unit &V1& is assigned to an object that does not allow you
to change or create a reference. Example: The HU already belongs to an
outbound/inbound delivery or an SD shipment.

System Response

The action is terminated.

How to fix this error?

Repeat the action without HU &V1&.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VHUREF018 - Object assignment of HU &1 does not allow changes to the reference ?

  The SAP error message VHUREF018 indicates that there is an issue with the handling unit (HU) assignment in the system. Specifically, it means that the object assignment of the handling unit (HU) does not allow changes to the reference. This can occur in various scenarios, such as during the processing of goods movements, inventory management, or when trying to reassign handling units.
  
  Cause:
  
  Locked Handling Unit: The handling unit may be locked due to ongoing processes or transactions that are currently using it.
  Incorrect Status: The handling unit may be in a status that does not allow changes (e.g., it might be in a delivered state).
  Reference Object Restrictions: The reference object (like a delivery, production order, etc.) associated with the handling unit may have restrictions that prevent changes.
  System Configuration: There may be configuration settings in the system that restrict changes to handling units under certain conditions.
  
  
  Solution:
  
  Check Status: Verify the status of the handling