fix: remove mapping redundant error (#3439)

core/mapping/unmarshaler.go

@@ -900,11 +900,6 @@ func (u *Unmarshaler) unmarshalWithFullName(m valuerWithParent, v any, fullName
 		typeField := baseType.Field(i)
 		valueField := valElem.Field(i)
 		if err := u.processField(typeField, valueField, m, fullName); err != nil {
-			if len(fullName) > 0 {
-				err = fmt.Errorf("%w, fullName: %s, field: %s, type: %s",
-					err, fullName, typeField.Name, valueField.Type().Name())
-			}
-
 			return err
 		}
 	}