[Error] 
Call to a member function GetUserGroupArray() on string (0)
/var/www/west/data/www/santehsmart.ru/bitrix/php_interface/init.php:69
#0: checkForPartnerOnDiscount(array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/classes/general/module.php:475
#1: ExecuteModuleEventEx(array, array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/catalog/general/discount.php:1569
#2: CAllCatalogDiscount::GetDiscount(integer, integer, array, array, string, string, array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/entity/catalog/price/source.php:944
#3: Yandex\Market\Export\Entity\Catalog\Price\Source->getElementCatalogPrice(array, array, string, array, array, array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/entity/catalog/price/source.php:315
#4: Yandex\Market\Export\Entity\Catalog\Price\Source->getElementListValues(array, array, array, array, array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/run/steps/offer.php:1696
#5: Yandex\Market\Export\Run\Steps\Offer->extractElementListValues(array, array, array, array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/run/steps/offer.php:578
#6: Yandex\Market\Export\Run\Steps\Offer->exportIblockFilter(array, array, array, array, array, array, integer, NULL, integer)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/run/steps/offer.php:291
#7: Yandex\Market\Export\Run\Steps\Offer->run(string, NULL)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/run/processor.php:116
#8: Yandex\Market\Export\Run\Processor->run(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/export/run/agent.php:68
#9: Yandex\Market\Export\Run\Agent::change()
	
#10: call_user_func(array)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/yandex.market/lib/reference/agent/base.php:79
#11: Yandex\Market\Reference\Agent\Base::callAgent(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/classes/mysql/agent.php(163) : eval()'d code:1
#12: eval
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/classes/mysql/agent.php:163
#13: CAgent::ExecuteAgents(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/classes/mysql/agent.php:40
#14: CAgent::CheckAgents()
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/include.php:264
#15: require_once(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/include/prolog_before.php:14
#16: require_once(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/include/prolog.php:10
#17: require_once(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/header.php:1
#18: require(string)
	/var/www/west/data/www/santehsmart.ru/catalog/index.php:2
#19: include_once(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/modules/main/include/urlrewrite.php:159
#20: include_once(string)
	/var/www/west/data/www/santehsmart.ru/bitrix/urlrewrite.php:2