HABPanel values not updated / No events published via REST?

The states of the items I use in HABPanel are not updated.

It looks like there are no events published at /rest/events as the Event Stream is empty. Any ideas?

I use openHAB 2.2.0.

Thanks!

Kind regards
Oliver

Please share OpenHab logs as well as HABPanel console logs

POST or PUT … what you choose at the REST API