Fatal error: Uncaught TypeError: CalendarParams::__construct(): Argument #4 ($filter) must be of type array, null given, called in /home/wol/wol-git/www/utils/calendarutils.php on line 345 and defined in /home/wol/wol-git/www/utils/calendarutils.php:222 Stack trace: #0 /home/wol/wol-git/www/utils/calendarutils.php(345): CalendarParams->__construct() #1 /home/wol/wol-git/www/public/events.php(68): CalendarParams::fromAPIURL() #2 {main} thrown in /home/wol/wol-git/www/utils/calendarutils.php on line 222