vRealize Orchestrator Endpoint error - (7.0)

Hi,

I hit this error whenever I try to request a catalog item "vRealize Orchestrator workflow WFStubBuildingMachine failed with error: You must have at least one properly configured vRealize Orchestrator endpoint that is reachable"

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When I test the connection Administration->Vro Configuration-> Server Configuration-> test connection

I get a "Successfully connected to the Orchestrator server."  message.

But whenever I do a "Data Collection" on the end-point, it fails.

Any suggestions as to how to go about it?

Thanks.