[Error] 
Call to a member function addCss() on null (0)
/var/www/newmedsi/medsi/local/templates/landing_constructor/header.php:32
#0: include_once
	/var/www/newmedsi/static/bitrix/modules/main/include/prolog_after.php:106
#1: require(string)
	/var/www/newmedsi/static/bitrix/modules/main/include/prolog.php:11
#2: require_once(string)
	/var/www/newmedsi/static/bitrix/header.php:1
#3: require(string)
	/var/www/newmedsi/medsi/tsentr-kompetentsiy-klinika-trudnogo-diagnoza-.php:2