How To Fix VHUDLV029 - HUs can only be added to deliveries when references exist

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUDLV - Messages for Creation of Deliveries via HUs

• Message number: 029

• Message text: HUs can only be added to deliveries when references exist

What causes this issue?

The system cannot include the handling units in the delivery because
they neither have a reference to a preceding document nor to the
delivery itself.
It is possible that one of the HUs has just been processed (=added to
the delivery) and that the display has not been refreshed.

System Response

How to fix this error?

<LS>Refresh</> the display.

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.