MQTT Broker Topics Collector

I am following the Decawave Quick Deployment guide and have gotten to the last section, 5.2. MQTT broker. While attempting to subscribe to the topics I run into some difficulty however, and cannot see the allotted topics. In my setup I use five DEV boards and therefore there should be 10 topics collected after the scan button is clicked(one for board Status the other for board location). However when I click scan I do not get any topics generatedd. Does anyone have an Idea what the problem could be? Its connected so I don’t what else the