Semantic and items definition - location and other pages empty

[JustinG]

It not really recommended to try and mix file-based items and UI-based items for exactly this reason. It’s really best to use just one or the other. See this thread for a lengthy discussion:

File-based items and UI defined groups not playing nicely

I am running Openhabian on an RPi having updated from 2.5. Actually I am running two Openhab installations side by side because I have had issues and a number of my systems are mission-critical to a happy wife! One particular problem I am having is my old 2.5 setup mostly used .items files. My heating system has 23 radiator valves and thermostats each with several endpoints, set temperature, valve state, battery level, mode etc etc. I can set them up fine using a .items file with the additio…