[Error] 
Call to a member function includeHeader() on null (0)
/store/mid.ru/web/shared/local/templates/template2017/header.php:6
#0: include_once
	/store/mid.ru/web/shared/bitrix/modules/main/include/prolog_after.php:96
#1: include(string)
	/store/mid.ru/web/shared/bitrix/modules/main/classes/general/main.php:289
#2: CAllMain->AuthForm(boolean)
	/store/mid.ru/web/shared/bitrix/modules/main/include.php:599
#3: require_once(string)
	/store/mid.ru/web/shared/bitrix/modules/main/include/prolog_before.php:14
#4: require(string)
	/store/mid.ru/web/shared/index.php:8
#5: include_once(string)
	/store/mid.ru/web/shared/bitrix/modules/main/include/urlrewrite.php:159
#6: include_once(string)
	/store/mid.ru/web/shared/bitrix/urlrewrite.php:2