[TypeError] 
Return value of Adn\Teremok\Entity\CityTable::default() must be of the type int, null returned (0)
/var/app/public/local/modules/adn.teremok/lib/entity/city.php:33
#0: Adn\Teremok\Entity\CityTable::default()
	/var/app/public/local/components/teremok/menu.city/class.php:34
#1: MenuCityComponent->exec()
	/var/app/public/local/modules/adn.teremok/lib/elementcomponent.php:55
#2: Adn\Teremok\ElementComponent->processResultData()
	/var/app/public/bitrix/modules/iblock/lib/component/base.php:4032
#3: Bitrix\Iblock\Component\Base->loadData()
	/var/app/public/bitrix/modules/iblock/lib/component/base.php:4021
#4: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/app/public/local/modules/adn.teremok/lib/elementcomponent.php:36
#5: Adn\Teremok\ElementComponent->initialLoadAction()
	
#6: call_user_func(array)
	/var/app/public/bitrix/modules/iblock/lib/component/base.php:4206
#7: Bitrix\Iblock\Component\Base->doAction()
	/var/app/public/bitrix/modules/iblock/lib/component/base.php:4224
#8: Bitrix\Iblock\Component\Base->executeComponent()
	/var/app/public/bitrix/modules/main/classes/general/component.php:638
#9: CBitrixComponent->includeComponent(string, array, NULL)
	/var/app/public/bitrix/modules/main/classes/general/main.php:1037
#10: CAllMain->IncludeComponent(string, string, array)
	/var/app/public/local/templates/main/header.php:83
#11: include_once(string)
	/var/app/public/bitrix/modules/main/include/prolog_after.php:96
#12: require(string)
	/var/app/public/bitrix/modules/main/include/prolog.php:11
#13: require_once(string)
	/var/app/public/bitrix/header.php:1
#14: require(string)
	/var/app/public/menu/detail.php:3
#15: include_once(string)
	/var/app/public/local/php_interface/urlrewrite.php:159