Diagnosis
Schedule lines are not allowed for theitem category of item &V1&.

Procedure
If you want to use schedule lines, choose another item category whichallows schedule lines.
If schedule lines are to be allowed for an item category, this must bedefined for this item category.
DEFINE &ANLEGEOBJEKT& = 'item categories'
INCLUDE 'NA_CREATE_CHANGE' OBJECT DOKU ID TX LANGUAGE EN