Do you have 5 devices added to the Homey Bridge?
You talk about a Homey Bridge, is it a Bridge or a Pro?
If you need more then 5 devices on the Homey bridge you need a monthly subscribtion.
This is a topic for Fibaro devices.
https://community.homey.app/t/app-fibaro-your-home-is-your-castle-by-athom/362/1071