Diagnosis
At least one of the selected deliveries has asales document categorythat does not fit with the group type &V1& allowed types.

System Response
The selected deliveries with errors could not be grouped with agroup of the type &V1&.
Groups were created for the other deliveries.

Procedure
Select on the deliveries whose sales document category allows thedesired group type. You can use the additional field in the list ofdeliveries for the sales document categories to differentiate, forexample, between reutrns deliveries (sales document category "T") ornormal deliveries (sales document category "J").

Procedure for System Administration
You can go into Customizing for Definingthe groups of deliveries for the allowed group type &V1&.