Diagnosis
You want to use tab layout &v2& for master data maintenance inapplication &v1&. Tab layout &v2& is defined in Customzing, but not asingle group box has been assigned to the layout (that is, there are noentries in table &v3& for tab layout &v2&).

System Response
Master data maintenance cannot be carried out.

Procedure
Assign at least one group box to tab layout &v2& in Customizing forapplication &v1&.