[Error] 
Call to a member function IsAuthorized() on string (0)
/var/www/rds/data/bitrix/modules/sale/lib/fuser.php:35
#0: Bitrix\Sale\Fuser::getId(boolean)
	/var/www/rds/data/bitrix/modules/sale/lib/basketbase.php:294
#1: Bitrix\Sale\BasketBase->getFUserId(boolean)
	/var/www/rds/data/bitrix/modules/sale/lib/discount.php:5269
#2: Bitrix\Sale\Discount::getInstanceIndexByBasket(object)
	/var/www/rds/data/bitrix/modules/sale/lib/discount.php:191
#3: Bitrix\Sale\Discount::loadByBasket(object)
	/var/www/rds/data/bitrix/modules/catalog/general/discount.php:1076
#4: CAllCatalogDiscount::getSaleDiscountsByProduct(array, string, array, boolean)
	/var/www/rds/data/bitrix/modules/catalog/general/discount.php:1211
#5: CAllCatalogDiscount::GetDiscount(integer, integer, array, array, string, string, boolean)
	/var/www/rds/data/bitrix/modules/catalog/general/product.php:913
#6: CAllCatalogProduct::GetOptimalPrice(integer, double, array, string, array, string)
	/var/www/rds/data/bitrix/modules/redsign.export2ym/classes/general/vendor.php:170
#7: CRSEX2YMTypeVendor::FileGenerator(integer)
	/var/www/rds/data/bitrix/modules/main/classes/mysql/agent.php(161) : eval()'d code:1
#8: eval
	/var/www/rds/data/bitrix/modules/main/classes/mysql/agent.php:161
#9: CAgent::ExecuteAgents(string)
	/var/www/rds/data/bitrix/modules/main/classes/mysql/agent.php:38
#10: CAgent::CheckAgents()
	/var/www/rds/data/bitrix/modules/main/include.php:286
#11: require_once(string)
	/var/www/rds/data/bitrix/modules/main/include/prolog_before.php:14
#12: require_once(string)
	/var/www/rds/data/bitrix/modules/main/include/prolog.php:10
#13: require_once(string)
	/var/www/rds/data/bitrix/header.php:1
#14: require(string)
	/var/www/rds/data/media/index.php:1
#15: include_once(string)
	/var/www/rds/data/bitrix/modules/main/include/urlrewrite.php:159
#16: include_once(string)
	/var/www/rds/data/bitrix/urlrewrite.php:2