[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`main_site`.`LID` AS `LID`
FROM `b_lang` `main_site` 

/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:3538
#2: Bitrix\Main\ORM\Query\Query->query
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:949
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/analytics/sitespeed.php:95
#5: Bitrix\Main\Analytics\SiteSpeed::isIntranetSite
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/analytics/counter.php:92
#6: Bitrix\Main\Analytics\Counter::onBeforeEndBufferContent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/module.php:480
#7: ExecuteModuleEventEx
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:3189
#8: CAllMain->EndBufferContent
	
#9: ob_end_clean
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/httpresponse.php:45
#10: Bitrix\Main\HttpResponse->flush
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/response.php:91
#11: Bitrix\Main\Response->send
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/engine/response/redirect.php:155
#12: Bitrix\Main\Engine\Response\Redirect->send
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/application.php:258
#13: Bitrix\Main\Application->end
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/tools.php:3859
#14: LocalRedirect
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/redsign/catalog.sorter/component.php:37
#15: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#16: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:680
#17: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#18: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/templates/os/components/bitrix/catalog/al/sections.php:251
#19: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:789
#20: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:884
#21: CBitrixComponentTemplate->IncludeTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:764
#22: CBitrixComponent->showComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:712
#23: CBitrixComponent->includeComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog/component.php:171
#24: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#25: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:680
#26: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#27: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/catalog/index.php:279
#28: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#29: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/urlrewrite.php:2