Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "p404_check_and_upgrade_database" not found or invalid function name in /var/www/bsmarmor.dk/public_html/wp-includes/class-wp-hook.php:341 Stack trace: #0 /var/www/bsmarmor.dk/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #1 /var/www/bsmarmor.dk/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #2 /var/www/bsmarmor.dk/public_html/wp-settings.php(622): do_action('plugins_loaded') #3 /var/www/bsmarmor.dk/public_html/wp-config.php(105): require_once('/var/www/bsmarm...') #4 /var/www/bsmarmor.dk/public_html/wp-load.php(50): require_once('/var/www/bsmarm...') #5 /var/www/bsmarmor.dk/public_html/wp-content/plugins/complianz-terms-conditions/download.php(33): require_once('/var/www/bsmarm...') #6 {main} thrown in /var/www/bsmarmor.dk/public_html/wp-includes/class-wp-hook.php on line 341