SAP Message QHU006 - The handling unit &1 is assigned to delivery &2 and cannot be processed

Diagnosis
Handling unit &V1& is assigned to delivery &V2&.

System Response
The stock posting from the usage decision cannot be made for thishandling unit.

Procedure
Check whether you can delete the assignment of handling unit
V1 to delivery v2 or whether you can post the goods movement forthe delivery.