[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`currency_currency`.`CURRENCY` AS `CURRENCY`
FROM `b_catalog_currency` `currency_currency` 

WHERE `currency_currency`.`CURRENCY` = 'RUB'
/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/lib/orm/query/query.php:3209
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/lib/orm/query/query.php:807
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/local/components/elcorazon-bitrix/catalog.element/component.php:314
#5: include(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:594
#6: CBitrixComponent->__includeComponent()
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:653
#7: CBitrixComponent->includeComponent(string, array, object)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/main.php:1039
#8: CAllMain->IncludeComponent(string, string, array, object)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/local/components/elcorazon-bitrix/catalog/templates/.default/element.php:120
#9: include(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component_template.php:725
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component_template.php:820
#11: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:735
#12: CBitrixComponent->showComponentTemplate()
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:683
#13: CBitrixComponent->includeComponentTemplate(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/local/components/elcorazon-bitrix/catalog/component.php:134
#14: include(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:594
#15: CBitrixComponent->__includeComponent()
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/component.php:653
#16: CBitrixComponent->includeComponent(string, array, boolean)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/classes/general/main.php:1039
#17: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/en.elcorazon-shop.com/catalog/index.php:234
#18: include_once(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/modules/main/include/urlrewrite.php:159
#19: include_once(string)
	/var/www/vhosts/vladimir-tech-domain.host4g.ru/common/bitrix/urlrewrite.php:2