Dropped and recreated db and user, completely removed /var/www/XXXX dir. Problem recurred. Replaced class_license.php. Problem still exists. mysql-server/bionic-updates,bionic-security,now 5.7.33-0ubuntu0.18.04.1 all [installed] php/bionic,now 1:7.2+60ubuntu1 all [installed] Perhaps there is actuall...