Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, null given in /var/www/vhosts/tc-woellstadt.de/httpdocs/cmsms2/mydoodle/index.php:33 Stack trace: #0 /var/www/vhosts/tc-woellstadt.de/httpdocs/cmsms2/mydoodle/index.php(33): array_filter() #1 {main} thrown in /var/www/vhosts/tc-woellstadt.de/httpdocs/cmsms2/mydoodle/index.php on line 33