Hello @yokokito, problems with openHAB internally (like with bindings) are most probably not openHABian related. Can you please open a new thread in the openHAB 2 category? Good luck!
@jaydee73 how to switch to the demo sitemap is documented here I however would stay with standard and only look at the demo when needed. I have written something about that before:
I however would stay with standard and only look at the demo when needed. I have written something about that before: