Warning: Undefined variable $db_csw in /var/www/html/dragondofe/generate_calendar_ics.php on line 13

Fatal error: Uncaught Error: Call to a member function prepare() on null in /var/www/html/dragondofe/generate_calendar_ics.php:13 Stack trace: #0 {main} thrown in /var/www/html/dragondofe/generate_calendar_ics.php on line 13