[Error] 
Using $this when not in object context (0)
/var/www/b2504577/data/www/vesti.la/bitrix/modules/main/lib/eventmanager.php:94
#0: Bitrix\Main\EventManager::addEventHandler(string, string, object)
	/var/www/b2504577/data/www/vesti.la/bitrix/templates/media_default_vestila/header.php:84
#1: include_once(string)
	/var/www/b2504577/data/www/vesti.la/bitrix/modules/main/include/prolog_after.php:106
#2: require(string)
	/var/www/b2504577/data/www/vesti.la/bitrix/modules/main/include/prolog.php:11
#3: require_once(string)
	/var/www/b2504577/data/www/vesti.la/bitrix/header.php:1
#4: require(string)
	/var/www/b2504577/data/www/vesti.la/novosti/index.php:2
#5: include_once(string)
	/var/www/b2504577/data/www/vesti.la/bitrix/modules/main/include/urlrewrite.php:159
#6: include_once(string)
	/var/www/b2504577/data/www/vesti.la/bitrix/urlrewrite.php:2