Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, bool given in /srv/disk6/551825/www/steviakauf.de/wp-content/plugins/wordpress-firewall-2/wordpress-firewall-2.php:300 Stack trace: #0 /srv/disk6/551825/www/steviakauf.de/wp-content/plugins/wordpress-firewall-2/wordpress-firewall-2.php(156): WP_firewall_check_whitelisted_variable() #1 /srv/disk6/551825/www/steviakauf.de/wp-content/plugins/wordpress-firewall-2/wordpress-firewall-2.php(153): WP_firewall_check_exclusions() #2 /srv/disk6/551825/www/steviakauf.de/wp-settings.php(255): include_once('/srv/disk6/5518...') #3 /srv/disk6/551825/www/steviakauf.de/wp-config.php(88): require_once('/srv/disk6/5518...') #4 /srv/disk6/551825/www/steviakauf.de/wp-load.php(37): require_once('/srv/disk6/5518...') #5 /srv/disk6/551825/www/steviakauf.de/wp-blog-header.php(13): require_once('/srv/disk6/5518...') #6 /srv/disk6/551825/www/steviakauf.de/index.php(17): require('/srv/disk6/5518...') #7 {main} thrown in /srv/disk6/551825/www/steviakauf.de/wp-content/plugins/wordpress-firewall-2/wordpress-firewall-2.php on line 300