path params throw error, query params don't

I imported the REST API from my AWS SAM template.yaml openapi 3.0.1 and it loaded, but with four errors. Here is one: "Variables specified in brackets in URL paths, headers, or parameters must be defined in the "Query Parameters" section."

I rewrote this working endpoint from > /tracks/copy/{conferenceId}/{trackId}

to this endpoint > /tracks/copy?conferenceId={value}&trackId={value}

And FlutterFlow did not throw an error for the latter endpoint. It seems arbitrary to flag these four endpoints out all the other some endpoints that use path params. Why should query params be required when path params have been working great for these four endpoints?

I'm a new to FlutterFlow, so I'm hoping that I've made some noob mistake. Thanks for any help.