Diagnosis
You are entering a class item of class type &V2&.
The class type is used to link an item to a specific SAP database table(such as MARA - material masters).
To enable you to enter further item-specific data for a class item, youhave to define a resulting item category.
You have entered resulting item category &V1&. This is not allowed, asobjects of this category are not stored in the database determined bythe class type.

Procedure
Please correct either the class type or the resulting item category.