How to use the "Virtuoso-specific" ChatGPT (Virtuoso SupportBot)?

https://linkeddata.uriburner.com/chat/?chat_id=s-5dtDDhLZAe6Km6FJz2U8Li3oxct8XcboFc2iYrtjbvsr
This is what I call a “‘Virtuoso-specific’ ChatGPT” (Virtuoso SupportBot).

But I always seem not able to use it at all!

I managed to log in with my user name. Then I should enter my API key. I entered one API key that was generated from the official website of Open AI, then:

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The reason for this error is that we had inadvertently locked the URIBurner instance down such that it only accepted OpenAI API Keys scoped to our organization. That restriction has now been removed, so you can try again.