SAP Message VB602 - Option type & is not defined for deliveries

Diagnosis
The group type &V1& is not allowed for document categories 'Delivery'and 'Returns delivery'.

System Response
Das System läßt die Weiterbearbeitung des Vorgangs nicht zu.
The system will not allow you to process the business transactionfurther.

Procedure
Please check your entries. tourenanlieferungen geeignet ist.
Enter a group type which is suitable for delieveries and returnsdeliveries.
DEFINE &ANLEGEOBJEKT& = 'Group types'
INCLUDE 'NA_CREATE_CHANGE' OBJECT DOKU ID TX LANGUAGE E