Fatal error: Uncaught TypeError: array_column(): Argument #1 ($array) must be of type array, null given in /var/www/vhosts/ivardev.com/cntb.ivardev.com/view/sitemap.php:21 Stack trace: #0 /var/www/vhosts/ivardev.com/cntb.ivardev.com/view/sitemap.php(21): array_column() #1 /var/www/vhosts/ivardev.com/cntb.ivardev.com/view/routes.php(47): include('...') #2 /var/www/vhosts/ivardev.com/cntb.ivardev.com/view/index.php(52): include('...') #3 {main} thrown in /var/www/vhosts/ivardev.com/cntb.ivardev.com/view/sitemap.php on line 21