And its gone...new "update" new problems...missin the good old times where pihole just was a simple working dsn blocker...
since last update MAXDBDAYS=0 brings this Message in Webinterface:
Error
There was a problem applying your settings.
Debugging information:
PHP error (2): syntax error, unexpected '"' in /etc/pihole/pihole-FTL.conf on line 2 in /var/www/html/admin/settings.php:14