How To Fix VHUAP251 - Reassigning HUs to different documents not possible here

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUAP - Messages for Packing Transaction Applications (FGrp VHUDIAL)

• Message number: 251

• Message text: Reassigning HUs to different documents not possible here

What causes this issue?

You are trying to change the reference of a handling unit.

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

System Response

It is not possible to change assignments using this function.

How to fix this error?

Use the function Change reference in order to change the reference to
the handling unit. You can choose between:
The reference to another sales order
The reference to another stock transport order
The reference to another delivery

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.