[Error] 
Cannot pass parameter 1 by reference (0)
/srv/sites/avanta.tech/www/bitrix/components/bitrix/catalog.viewed.products/class.php:904
#0: CCatalogViewedProductsComponent->getReferences()
	/srv/sites/avanta.tech/www/bitrix/components/bitrix/catalog.viewed.products/class.php:1252
#1: CCatalogViewedProductsComponent->prepareData()
	/srv/sites/avanta.tech/www/bitrix/components/bitrix/catalog.viewed.products/class.php:1679
#2: CCatalogViewedProductsComponent->executeComponent()
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component.php:638
#3: CBitrixComponent->includeComponent(string, array, boolean)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/main.php:1038
#4: CAllMain->IncludeComponent(string, string, array, boolean)
	/srv/sites/avanta.tech/www/include/recommend.php:75
#5: include(string)
	/srv/sites/avanta.tech/www/bitrix/components/bitrix/main.include/templates/.default/template.php:17
#6: include(string)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component_template.php:725
#7: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component_template.php:820
#8: CBitrixComponentTemplate->IncludeTemplate(array)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component.php:735
#9: CBitrixComponent->showComponentTemplate()
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component.php:683
#10: CBitrixComponent->includeComponentTemplate()
	/srv/sites/avanta.tech/www/bitrix/components/bitrix/main.include/component.php:280
#11: include(string)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component.php:594
#12: CBitrixComponent->__includeComponent()
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/component.php:653
#13: CBitrixComponent->includeComponent(string, array, boolean)
	/srv/sites/avanta.tech/www/bitrix/modules/main/classes/general/main.php:1038
#14: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/srv/sites/avanta.tech/www/bitrix/templates/elektro_flat/header.php:473
#15: include_once(string)
	/srv/sites/avanta.tech/www/bitrix/modules/main/include/prolog_after.php:106
#16: require(string)
	/srv/sites/avanta.tech/www/bitrix/modules/main/include/prolog.php:11
#17: require_once(string)
	/srv/sites/avanta.tech/www/bitrix/header.php:1
#18: require(string)
	/srv/sites/avanta.tech/www/index.php:4