[Bitrix\Main\SystemException] 
Unknown value (0)
/var/www/osa/bitrix/modules/main/lib/entity/querychainelement.php:177
#0: Bitrix\Main\Entity\QueryChainElement->getSqlDefinition()
	/var/www/osa/bitrix/modules/main/lib/entity/querychain.php:454
#1: Bitrix\Main\Entity\QueryChain->getSqlDefinition()
	/var/www/osa/bitrix/modules/main/lib/entity/query.php:1231
#2: Bitrix\Main\Entity\Query->buildOrder()
	/var/www/osa/bitrix/modules/main/lib/entity/query.php:1285
#3: Bitrix\Main\Entity\Query->buildQuery()
	/var/www/osa/bitrix/modules/main/lib/entity/query.php:470
#4: Bitrix\Main\Entity\Query->exec()
	/var/www/osa/bitrix/modules/main/lib/entity/datamanager.php:255
#5: Bitrix\Main\Entity\DataManager::getList(array)
	/var/www/osa/private/partners/1-tab/filter.php:70