Diagnosis
In Customizing a hierarchy level is assigned to catalog &V1& in cataloggroup 1 or 2. This level is not defined in the hierarchy level of thecatalog.
This means that the system cannot determine this catalog group.

Procedure
In Customizing check the entries for catalog &V1& and save thecorrected entries for the hierarchy levels in the catalog gorups.
You can only use defined levels in the hierarchy level.
Use the Customizing button (see the button toolbar) in the IMG(w/o project) and go to the IMG activity Define catalog code orclick on Define catalog code
If you double-click on the line of catalog &V1& the detailedinformation appears.
On the screen:
After changing the Customizing settings they become effective for thecurrent SD item if you change a field in this item on the overviewscreen or if you recreate the item.