Generate Proxy option not available for sap standard object "ABABusinessPartnerOut"

Hello,

Generate Proxy option is not available to generate proxy for this standard SAP object "ABABusinessPartnerOut" which is with name space "http://sap.com/xi/ABA" in ESR( local) node.

could anyone provide a clue to generate proxy for this sap standard object.

Thanks & Regards,

Sathish.