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

WHERE `iblock_property`.`IBLOCK_ID` = 12
AND `iblock_property`.`ACTIVE` = 'Y'
ORDER BY `SORT` ASC, `ID` ASC
/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/iblock/lib/component/base.php:2433
#5: Bitrix\Iblock\Component\Base->getPropertyList
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:852
#6: Bitrix\Iblock\Component\ElementList->modifyDisplayProperties
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:798
#7: Bitrix\Iblock\Component\Base->initElementList
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:580
#8: CatalogSectionComponent->initElementList
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4048
#9: Bitrix\Iblock\Component\Base->processResultData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:92
#10: CatalogSectionComponent->processResultData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4551
#11: Bitrix\Iblock\Component\Base->loadData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:1232
#12: Bitrix\Iblock\Component\ElementList->loadData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4540
#13: Bitrix\Iblock\Component\Base->initialLoadAction
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:334
#14: CatalogSectionComponent->initialLoadAction
	
#15: call_user_func
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4725
#16: Bitrix\Iblock\Component\Base->doAction
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4743
#17: Bitrix\Iblock\Component\Base->executeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:656
#18: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#19: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/templates/os/components/bitrix/catalog/al/sections.php:361
#20: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:789
#21: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:884
#22: CBitrixComponentTemplate->IncludeTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:764
#23: CBitrixComponent->showComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:712
#24: CBitrixComponent->includeComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog/component.php:171
#25: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#26: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:680
#27: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#28: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/catalog/index.php:279
#29: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#30: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/urlrewrite.php:2