** to fix, add <pre>-XstartOnFirstThread -Djava.awt.headless=true</pre> to the VM arguments of the launch
* to show "configuration->items" in PaperUI, you need to switch from "simple" to "advanced" mode. Go to Configuration->System->Item Linking and deactivate the "Simple Mode". You will then have a new entry Configuration->Items which will show you all your items (also the ones from the files, but note that these are read-only).
== 5 inch touch screen ==
* clone following repo onto pi
sudo rm -rf LCD-show
git clone https://github.com/goodtft/LCD-show.git
chmod -R 755 LCD-show
cd LCD-show/
* depending on LCD type, excute:
** In case of 5" LCD
sudo ./LCD5-show
** If you need to switch back to the traditional HDMI display
sudo ./LCD-hdmi
Wait a few minutes,the system will restart automatically
== Homekit setup ==