You must specify an HU with exidv or venum or a delivery item

What causes this issue?

Because the delivery split was called up incorrectly internally, you
cannot edit it. Neither delivery numbers nor handling unit numbers were
specified to act as the basis for carrying out delivery splits.

System Response

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

How to fix this error?

If this error occurs again, inform your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.