[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`iblock_iblock_site`.`IBLOCK_ID` AS `IBLOCK_ID`,
	`iblock_iblock_site`.`SITE_ID` AS `UALIAS_0`,
	`iblock_iblock_site_iblock`.`ID` AS `UALIAS_1`
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` = 14
AND `iblock_iblock_site`.`SITE_ID` = 's1'
AND `iblock_iblock_site_iblock`.`ACTIVE` = 'Y'
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:149
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:331
#1: Bitrix\Main\DB\Connection->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3557
#2: Bitrix\Main\ORM\Query\Query->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:952
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:513
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/bitrix/www/bitrix/components/bitrix/catalog.section.list/component.php:121
#5: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:615
#6: CBitrixComponent->__includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:692
#7: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1195
#8: CAllMain->IncludeComponent
	/home/bitrix/www/bitrix/templates/academ-new/components/bitrix/catalog/main_ctweb/section.php:91
#9: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:790
#10: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:885
#11: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:784
#12: CBitrixComponent->showComponentTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:724
#13: CBitrixComponent->includeComponentTemplate
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:323
#14: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:615
#15: CBitrixComponent->__includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:692
#16: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1195
#17: CAllMain->IncludeComponent
	/home/bitrix/www/catalog/index.php:2
#18: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:184
#19: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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Query Error: SELECT BS.ID AS ID, BS.IBLOCK_ID AS IBLOCK_ID, BS.IBLOCK_SECTION_ID AS IBLOCK_SECTION_ID, B.SECTION_PAGE_URL AS SECTION_PAGE_URL, BS.CODE AS CODE, BS.XML_ID AS EXTERNAL_ID, B.IBLOCK_TYPE_ID AS IBLOCK_TYPE_ID, B.CODE AS IBLOCK_CODE, B.XML_ID AS IBLOCK_EXTERNAL_ID, BS.GLOBAL_ACTIVE AS GLOBAL_ACTIVE FROM b_iblock_section BS INNER JOIN b_iblock B ON B.ID = BS.IBLOCK_ID WHERE BS.ID=1163 [[2006] MySQL server has gone away]
Query Error!