Hi @Sabre66, I’m guessing you used apt-get to upgrade? When did you last upgrade? If it was less than 4 days ago, then you may have missed a warning (and suggestion) on the upgrade:
Is there a file located at /var/lib/openhab2/org.ops4j.pax.logging.cfg.dpkg-dist ? This should be /var/lib/openhab2/org.ops4j.pax.logging.cfg