Beginner, guidance needed for mqtt.home assistant binding

Hey @micware , i’m back from vacation, want to start working on it again, but still stuckj on channels
Openhab found a lot of mqtt lights and i see them all in inbox (44 items)
I added one as a test from inbox, looks like:


Next, added a model (groundfloor) , but now i’m stuck
when i “create equipment from thing” or "create points from thing’, i always get error…
What am i missing?