[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`iblock_element`.`ID` AS `ID`,
	`iblock_element`.`IBLOCK_ID` AS `IBLOCK_ID`
FROM `b_iblock_element` `iblock_element` 

WHERE `iblock_element`.`ID` IN (156570)
/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/lib/entity/query.php:1873
#2: Bitrix\Main\Entity\Query->query(string)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/lib/entity/query.php:460
#3: Bitrix\Main\Entity\Query->exec()
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/lib/entity/datamanager.php:242
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/catalog/general/catalog_sku.php:291
#5: CAllCatalogSku::getExistOffers(array, integer)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/catalog/general/catalog_sku.php:271
#6: CAllCatalogSku::IsExistOffers(integer)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/templates/dresscode/components/bitrix/catalog.section/squares/result_modifier.php:58
#7: include(string)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component_template.php:868
#8: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component_template.php:775
#9: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component.php:681
#10: CBitrixComponent->showComponentTemplate()
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component.php:629
#11: CBitrixComponent->includeComponentTemplate()
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/components/bitrix/catalog.section/component.php:1294
#12: include(string)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component.php:548
#13: CBitrixComponent->__includeComponent()
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/component.php:600
#14: CBitrixComponent->includeComponent(string, array, boolean)
	/var/www/madambrosh/data/www/madambrosh.ru/bitrix/modules/main/classes/general/main.php:1035
#15: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/madambrosh/data/www/madambrosh.ru/index.php:280