Error while exporting webmethods rules from Designer to MWS (9.8)

Hi Experts,

While exporting the Business rules to My Webmethods Server from Designer ( webmethods 9.8 suite ), currently getting this error "The My webMethods Server Repository is not set up correctly(node types missing) "

Has anyone faced this issue and how do we resolve the same ?

Thank you.

Regards,
Nischal