[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`iblock_iblock_site`.`IBLOCK_ID` AS `IBLOCK_ID`
FROM `b_iblock_site` `iblock_iblock_site` 
LEFT JOIN `b_iblock` `iblock_iblock_site_iblock` ON `iblock_iblock_site`.`IBLOCK_ID` = `iblock_iblock_site_iblock`.`ID`
WHERE (`iblock_iblock_site`.`IBLOCK_ID` in (11))
AND `iblock_iblock_site`.`SITE_ID` = 's1'
AND `iblock_iblock_site_iblock`.`ACTIVE` = 'Y'
/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/lib/orm/query/query.php:3209
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/lib/orm/query/query.php:807
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:3974
#5: Bitrix\Iblock\Component\Base->checkIblock()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:3938
#6: Bitrix\Iblock\Component\Base->processResultData()
	/var/www/www-root/data/www/aqaq.ru/bitrix/components/bitrix/catalog.section/class.php:91
#7: CatalogSectionComponent->processResultData()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:4453
#8: Bitrix\Iblock\Component\Base->loadData()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/elementlist.php:1201
#9: Bitrix\Iblock\Component\ElementList->loadData()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:4442
#10: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/www/www-root/data/www/aqaq.ru/bitrix/components/bitrix/catalog.section/class.php:333
#11: CatalogSectionComponent->initialLoadAction()
	
#12: call_user_func(array)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:4627
#13: Bitrix\Iblock\Component\Base->doAction()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/iblock/lib/component/base.php:4645
#14: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/classes/general/component.php:648
#15: CBitrixComponent->includeComponent(string, array, boolean)
	/var/www/www-root/data/www/aqaq.ru/bitrix/modules/main/classes/general/main.php:1039
#16: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/www-root/data/www/aqaq.ru/index.php:97