IBM InfoSphere MDM Custom Domain Hub, Version 10.1A default namespace cannot be used within the internal schema, and the schema must include the XSD schema attribute elementFormDefault in the form elementFormDefault="qualified".
<xsd:element name="MyExampleSpec" type="MyExampleSpec:MyExampleSpecType"/>
The following element declaration is not supported: <xsd:element name="MyExampleSpec" type="MyExampleSpecType"/>