Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/web42/htdocs/inc/class.website.php:455
Stack trace:
#0 /var/www/web42/htdocs/inc/class.website.php(478): Website->showNavigation()
#1 /var/www/web42/htdocs/inc/class.website.php(283): Website->showNavigation()
#2 /var/www/web42/htdocs/index.php(79): Website->showSite()
#3 {main}
thrown in /var/www/web42/htdocs/inc/class.website.php on line 455