Diagnosis
You want to assign to the role attribute &v2& for field &v1& its remoteattribute &v3&. For mapping the attribute values, themapping class &V4& is transferred. This classcannot be used here.
To make it possible to use a class for mapping of attribute values, thismust exist active in the ABAP repository, and it must implement theinterfaces IF_UG_MD_VALUE_MAPPING completely.

System Response
You are unable to save the database.

Procedure

• If this involves a customer-defined class, correct this, or else change
the attribute assignment so that this class is no longer used in it.

• If this involves a delivered class, get in contact with SAP.