Honeywell sensor doesn't show up in Flair app

I have had a Honeywell T9 thermostat with 6 remote Honeywell sensors. I then purchased the flair system with 9 vents and 1 gateway puck. I integrated the Honeywell into the Flair system/app successfully and everything has been working fine, until I got greedy and decided to add the large master bath to the system by getting and installing an additional vent and sensor into the bathroom. I was able to do these 3 things: 1- add and name the new sensor as "Master Bath" in the T9 (the sensor is currently successfully connected to the Honeywell T9) 2- create a new room "Master Bath" in my Home in the Flair app 3- assign the new vent to the Master Bath room in the flair app. (The vent is currently successfully connected and managed through the flair app) BUT... the new Master Bath sensor is not in showing up in the Flair app in order to add it as the sensor for the Master Bath. So the Master Bath vent is not effective being managed by Flair because Flair does not know the current temperature. How can I get Flair to integrate the new sensor?