Unsupported type, value class required: {0}
The object type is not supported for serialization
to XML stream. It must be a primitive value or must have a value
manager You can specify extensible components such as proxies, test
object values, and value managers in an external customization file
with the .rftcust extension.
Serialization of an object to XML stream fails as
the object type is not supported for serializations.
Ensure that the object type is supported for serialization.
The object type must either be primitive or a value manager. For
more information see Customization file topic
in the information centre.