[Bitrix\Main\NotSupportedException] 
begin() was called with a stub. Frame id: header_city. (150)
/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/lib/composite/bufferarea.php:104
#0: Bitrix\Main\Composite\BufferArea->end()
	/srv/www/nir-vanna.ru/htdocs/local/components/snova/header/templates/.default/template.php:47
#1: include(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component_template.php:789
#2: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component_template.php:884
#3: CBitrixComponentTemplate->IncludeTemplate(array)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component.php:746
#4: CBitrixComponent->showComponentTemplate()
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component.php:694
#5: CBitrixComponent->includeComponentTemplate()
	/srv/www/nir-vanna.ru/htdocs/local/components/snova/header/component.php:10
#6: include(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent()
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/component.php:664
#8: CBitrixComponent->includeComponent(string, array, boolean)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/classes/general/main.php:1039
#9: CAllMain->IncludeComponent(string, string, array, boolean)
	/srv/www/nir-vanna.ru/htdocs/local/templates/public/header.php:107
#10: include_once(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/include/prolog_after.php:106
#11: require(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/include/prolog.php:14
#12: require_once(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/header.php:1
#13: require(string)
	/srv/www/nir-vanna.ru/htdocs/catalog/index.php:1
#14: include_once(string)
	/srv/www/nir-vanna.ru/htdocs/bitrix/modules/main/include/urlrewrite.php:159
#15: include_once(string)
	/srv/www/nir-vanna.ru/htdocs/404.php:1