[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` = 4
	OR `catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` = 4
)
/var/www/sveterra.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/sveterra.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/sveterra.ru/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/sveterra.ru/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/sveterra.ru/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/sveterra.ru/bitrix/modules/catalog/general/catalog_sku.php:212
#5: CAllCatalogSku::GetInfoByIBlock(integer)
	/var/www/sveterra.ru/bitrix/components/dresscode/catalog.section/component.php:233
#6: include(string)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:605
#7: CBitrixComponent->__includeComponent()
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:680
#8: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/main.php:1039
#9: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/sveterra.ru/bitrix/templates/dresscodeV2/components/bitrix/news.detail/Brands/component_epilog.php:142
#10: include(string)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:1477
#11: CBitrixComponent->includeComponentEpilog(array)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:714
#12: CBitrixComponent->includeComponentTemplate()
	/var/www/sveterra.ru/bitrix/components/bitrix/news.detail/component.php:439
#13: include(string)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:605
#14: CBitrixComponent->__includeComponent()
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/component.php:680
#15: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/sveterra.ru/bitrix/modules/main/classes/general/main.php:1039
#16: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/sveterra.ru/brands/detail.php:67
#17: include_once(string)
	/var/www/sveterra.ru/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
	/var/www/sveterra.ru/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/sveterra.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/sveterra.ru/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`main_...', Array, NULL) #1 /var/www/sveterra.ru/bitrix/modules/main/lib/orm/query/query.php(3357): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /var/www/sveterra.ru/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /var/www/sveterra.ru/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /var/www/sveterra.ru/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /var/www/sveterra.ru/bitrix/modules/main/lib/analytics/counter.php(92): Bitrix\Main\Analytics\SiteSpeed::isIntranetSite('s2') #6 /var/www/sveterra.ru/bitrix/modules/main/clas in /var/www/sveterra.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 137

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /var/www/sveterra.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /var/www/sveterra.ru/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('DELETE FROM `b_...', Array, NULL) #1 /var/www/sveterra.ru/bitrix/modules/main/lib/db/connection.php(379): Bitrix\Main\DB\Connection->query('DELETE FROM `b_...', NULL) #2 /var/www/sveterra.ru/bitrix/modules/main/lib/orm/data/datamanager.php(1624): Bitrix\Main\DB\Connection->queryExecute('DELETE FROM `b_...') #3 /var/www/sveterra.ru/bitrix/modules/security/classes/general/session_db.php(100): Bitrix\Main\ORM\Data\DataManager::delete(Array) #4 /var/www/sveterra.ru/bitrix/modules/security/classes/general/session_handler.php(28): CSecuritySessionDB::write('qxaVCaC3Wuvqi6n...', 'SESS_AUTH|a:1:{...') #5 [internal function]: CSecuritySessionHandler->write('qxaVCaC3Wuvqi6n...', 'SESS_AUTH|a:1:{...') #6 {main} thrown in /var/www/sveterra.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 137