UI Administration – in Settings the Add-on section is emtpy

After openHAB installation of stable release 4.1.1 from scratch - I only configured regional settings and preventing automatic upgrade of openHAB - within the UI Administration on “Settings” page I found the “Add-on Settings” section empty when I wanted to install the first binding. The same with browsers Chrome and Edge. According to documentation this section is also expected in OH4, which I knew from OH3. Of course I could use the “Add-on Store” menu but I fear my installation is somehow broken at the beginning.

I checked for similar topics and found a thread, told me to clean the cache – but this leaves my “Add-on Settings” section empty so far. See screenshot.

Any ideas?

Environment: Raspberry Pi4 – Pi OS bookworm, openHAB stable release 4.1.1

You first have to install an addon (e.g. persistence service) or binding in the addon store.
When nothing is installed you will not see anything.

simple as that! - thank you.