[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`sale_location_group`.`ID` AS `ID`,
	`sale_location_group`.`CODE` AS `CODE`,
	`sale_location_group`.`SORT` AS `SORT`
FROM `b_sale_location_group` `sale_location_group` 

WHERE `sale_location_group`.`ID` = 8
/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/lib/entity/query.php:2830
#2: Bitrix\Main\Entity\Query->query(string)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/lib/entity/query.php:771
#3: Bitrix\Main\Entity\Query->exec()
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/lib/entity/datamanager.php:260
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/var/www/www.maxidom.ru/htdocs/local/components/maxi/new.region.set/class.php:277
#5: MaxiNewRegionSetComponent->setSessionRepresentation(integer)
	/var/www/www.maxidom.ru/htdocs/local/components/maxi/new.region.set/class.php:251
#6: MaxiNewRegionSetComponent->executeComponent()
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/classes/general/component.php:588
#7: CBitrixComponent->includeComponent(string, array, NULL)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/classes/general/main.php:1041
#8: CAllMain->IncludeComponent(string, string, array)
	/var/www/www.maxidom.ru/htdocs/local/templates/maxi2020/header.php:1
#9: include_once(string)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/include/prolog_after.php:96
#10: require(string)
	/var/www/www.maxidom.ru/htdocs/bitrix/modules/main/include/prolog.php:11
#11: require_once(string)
	/var/www/www.maxidom.ru/htdocs/bitrix/header.php:1
#12: require(string)
	/var/www/www.maxidom.ru/htdocs/catalog/new/index.php:1