[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` 

/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php:3398
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4644
#5: Bitrix\Iblock\Component\Base->getTemplateCurrencies()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/elementlist.php:1697
#6: Bitrix\Iblock\Component\ElementList->editTemplateData()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4757
#7: Bitrix\Iblock\Component\Base->applyTemplateModifications()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4557
#8: Bitrix\Iblock\Component\Base->loadData()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/elementlist.php:1232
#9: Bitrix\Iblock\Component\ElementList->loadData()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4540
#10: Bitrix\Iblock\Component\Base->initialLoadAction()
	
#11: call_user_func(array)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4725
#12: Bitrix\Iblock\Component\Base->doAction()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/iblock/lib/component/base.php:4743
#13: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/components/bitrix/sale.products.gift/class.php:299
#14: SaleProductsGiftComponent->executeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:656
#15: CBitrixComponent->includeComponent(string, array, object, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
#16: CAllMain->IncludeComponent(string, string, array, object, array)
	/var/www/www-root/data/www/server-expert.com/bitrix/components/dresscode/catalog.item/templates/detail/template.php:444
#17: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component_template.php:789
#18: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component_template.php:884
#19: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:764
#20: CBitrixComponent->showComponentTemplate()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:712
#21: CBitrixComponent->includeComponentTemplate()
	/var/www/www-root/data/www/server-expert.com/bitrix/components/dresscode/catalog.item/component.php:737
#22: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:605
#23: CBitrixComponent->__includeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:680
#24: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
#25: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/var/www/www-root/data/www/server-expert.com/bitrix/templates/dresscodeV2_copy/components/bitrix/catalog/.default/element.php:129
#26: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component_template.php:789
#27: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component_template.php:884
#28: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:764
#29: CBitrixComponent->showComponentTemplate()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:712
#30: CBitrixComponent->includeComponentTemplate(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/components/bitrix/catalog/component.php:171
#31: include(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:605
#32: CBitrixComponent->__includeComponent()
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/component.php:680
#33: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/classes/general/main.php:1041
#34: CAllMain->IncludeComponent(string, string, array)
	/var/www/www-root/data/www/server-expert.com/catalog/index.php:10
#35: include_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/modules/main/include/urlrewrite.php:159
#36: include_once(string)
	/var/www/www-root/data/www/server-expert.com/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`main_...', Array, NULL) #1 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php(3398): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /var/www/www-root/data/www/ser in /var/www/www-root/data/www/server-expert.com/bitrix/modules/main/lib/db/mysqliconnection.php on line 137