Hello Monica,
Based on the error message, it sounds like your property has not subscribed to the RFP Showcase. If you're interested in responding to a RFP from the RFP Showcase, you will likely need to talk to your Cvent Account Manager.
For more information, I suggest checking out this article on Bidding on RFPs from RFP Showcase.
Regards,
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Alaina Del Real
Lead Customer Success Advisor
Cvent
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