Lots of error-messages after 2.3 Update - No idea what this could be?

[opus (Jürgen Baginski)]

Check #3

How to ask a good question / Help Us Help You

Before you ask… Community forum is NOT a helpdesk Let’s put this in the front: nobody here works for openHAB. The community members are helping with an Open Source Project, not a commercial software. Additionally, the forum is NOT dealing with general Home Automation topics, the focus is on openHAB. In some cases, various products or technologies which are not directly linked to openHAB can be discussed but with the proper title, category or tag. We are ALL volunteering our free time to help…