Diagnosis
Group box &v3& is not contained in tab layout &v2& of application &v1&.But at the same time, a field in group box &v3& is defined as arequired field in the screen layout (field status).

System Response
It is not possible to maintain the required field. Therefore, masterdata maintenance is not allowed.

Procedure
In the screen layout for the master data object, make sure that none ofthe fields in SAP group box &v3& is defined as a required field inapplication &v1&. Or else add SAP group box &v3& to tab layout &v2& ofapplication &v1&.