[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`catalog_catalog_iblock`.`IBLOCK_ID` AS `IBLOCK_ID`,
	`catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` AS `PRODUCT_IBLOCK_ID`,
	`catalog_catalog_iblock`.`SKU_PROPERTY_ID` AS `SKU_PROPERTY_ID`,
	`catalog_catalog_iblock`.`VAT_ID` AS `VAT_ID`,
	`catalog_catalog_iblock`.`YANDEX_EXPORT` AS `YANDEX_EXPORT`,
	`catalog_catalog_iblock`.`SUBSCRIPTION` AS `SUBSCRIPTION`
FROM `b_catalog_iblock` `catalog_catalog_iblock` 

WHERE (
	`catalog_catalog_iblock`.`IBLOCK_ID` = 1
	OR `catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` = 1
)
/var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/query/query.php:3190
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/query/query.php:806
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/data/datamanager.php:457
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/catalog/general/catalog_sku.php:212
#5: CAllCatalogSku::GetInfoByIBlock(integer)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:556
#6: Bitrix\Iblock\Component\Base->initCatalogInfo()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/element.php:288
#7: Bitrix\Iblock\Component\Element->initCatalogInfo()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:3569
#8: Bitrix\Iblock\Component\Base->processResultData()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/element.php:243
#9: Bitrix\Iblock\Component\Element->processResultData()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:4032
#10: Bitrix\Iblock\Component\Base->loadData()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:4021
#11: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/element.php:228
#12: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#13: call_user_func(array)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:4206
#14: Bitrix\Iblock\Component\Base->doAction()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/iblock/lib/component/base.php:4224
#15: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component.php:638
#16: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/main.php:1037
#17: CAllMain->IncludeComponent(string, string, array)
	/var/www/kssmarket.ru/htdocs/local/templates/letsrock/components/freematiq/main.include/catalog_item/template.php:42
#18: include(string)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component_template.php:720
#19: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component_template.php:815
#20: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component.php:735
#21: CBitrixComponent->showComponentTemplate()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component.php:683
#22: CBitrixComponent->includeComponentTemplate()
	/var/www/kssmarket.ru/htdocs/local/components/freematiq/main.include/class.php:7
#23: VariableSet->executeComponent()
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/component.php:638
#24: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/classes/general/main.php:1037
#25: CAllMain->IncludeComponent(string, string, array)
	/var/www/kssmarket.ru/htdocs/item/index.php:138
#26: include_once(string)
	/var/www/kssmarket.ru/htdocs/bitrix/modules/main/include/urlrewrite.php:159
#27: include_once(string)
	/var/www/kssmarket.ru/htdocs/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`sale_...', Array, NULL) #1 /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/query/query.php(3190): Bitrix\Main\DB\Connection->query('SELECT \n\t`sale_...') #2 /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/query/query.php(806): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`sale_...') #3 /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/orm/data/datamanager.php(457): Bitrix\Main\ORM\Query\Query->exec() #4 /var/www/kssmarket.ru/htdocs/bitrix/modules/pecom.ecomm/classes/lib/Bitrix/Handler/deliveries.php(69): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /var/www/kssmarket.ru/htdocs/bitrix/modules/pecom.ecomm/classes/lib/Bitrix/Handler/deliveries.php(77): Ip in /var/www/kssmarket.ru/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php on line 137