[Error] 
Undefined class constant 'classN' (0)
/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/user.php:242
#0: Bitrix\Main\UserTable::getMap()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/base.php:169
#1: Bitrix\Main\Entity\Base->initialize(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/base.php:78
#2: Bitrix\Main\Entity\Base::getInstanceDirect(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/base.php:62
#3: Bitrix\Main\Entity\Base::getInstance(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/referencefield.php:108
#4: Bitrix\Main\Entity\ReferenceField->getRefEntity()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/querychain.php:210
#5: Bitrix\Main\Entity\QueryChain::getChainByDefinition(object, string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/query.php:857
#6: Bitrix\Main\Entity\Query->addToSelectChain(string, string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/query.php:2076
#7: Bitrix\Main\Entity\Query->buildQuery()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/query.php:778
#8: Bitrix\Main\Entity\Query->exec()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/lib/entity/datamanager.php:290
#9: Bitrix\Main\Entity\DataManager::getList(array)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/sale/lib/sender/triggerbasketforgotten.php:68
#10: Bitrix\Sale\Sender\TriggerBasketForgotten->filter()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/sender/lib/triggermanager.php:102
#11: Bitrix\Sender\TriggerManager::processEvent(array)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/sender/lib/triggermanager.php:725
#12: Bitrix\Sender\TriggerManager::fireClosedEventAgent(string, string, string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/classes/mysql/agent.php(163) : eval()'d code:1
#13: eval
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/classes/mysql/agent.php:163
#14: CAgent::ExecuteAgents(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/classes/mysql/agent.php:40
#15: CAgent::CheckAgents()
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/include.php:263
#16: require_once(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/include/prolog_before.php:14
#17: require_once(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/include/prolog.php:10
#18: require_once(string)
	/home/c/cu06740/bitrix/public_html/bitrix/header.php:1
#19: require(string)
	/home/c/cu06740/siam-shop.ru/public_html/catalog/index.php:2
#20: include_once(string)
	/home/c/cu06740/bitrix/public_html/bitrix/modules/main/include/urlrewrite.php:159
#21: include_once(string)
	/home/c/cu06740/bitrix/public_html/bitrix/urlrewrite.php:2