[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` 

/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4644
#5: Bitrix\Iblock\Component\Base->getTemplateCurrencies()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/elementlist.php:1697
#6: Bitrix\Iblock\Component\ElementList->editTemplateData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4757
#7: Bitrix\Iblock\Component\Base->applyTemplateModifications()
	/home/bitrix/www/bitrix/templates/magnet_s2/components/bitrix/catalog.section/shop_town/result_modifier.php:9
#8: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:946
#9: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:853
#10: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#11: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#12: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4561
#13: Bitrix\Iblock\Component\Base->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/elementlist.php:1232
#14: Bitrix\Iblock\Component\ElementList->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4540
#15: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:334
#16: CatalogSectionComponent->initialLoadAction()
	
#17: call_user_func(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4725
#18: Bitrix\Iblock\Component\Base->doAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4743
#19: Bitrix\Iblock\Component\Base->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#20: CBitrixComponent->includeComponent(string, array, object, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#21: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/.default/components/bitrix/catalog/shop_town/section.php:395
#22: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#23: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#24: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#25: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#26: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:171
#27: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#28: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:680
#29: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#30: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/ext_www/s2/index.php:23
#31: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#32: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2