I only got 4 new devices one for each button.
What are your settings on the popp? I have the same as the ones in the link I provided.

Hi, I have also been struggling with this one.
Got it working today by following this guide https://www.domoticz.com/wiki/Popp_Kfob
Skip the first 2 sections and start at "Adding the Popp Kfob to Domoticz" "3. Add the Controller (Node 1, the zwave USB stick) to all groups of the Kfob"
After this i ...