[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)

				SELECT NAME, VALUE 
				FROM b_option 
				WHERE MODULE_ID = 'iblock' 
			
/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/config/option.php:196
#2: Bitrix\Main\Config\Option::load
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/config/option.php:38
#3: Bitrix\Main\Config\Option::get
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/model/propertyfeature.php:489
#4: Bitrix\Iblock\Model\PropertyFeature::isEnabledFeatures
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:387
#5: Bitrix\Iblock\Component\Base->onPrepareComponentParams
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:75
#6: Bitrix\Iblock\Component\ElementList->onPrepareComponentParams
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:37
#7: CatalogSectionComponent->onPrepareComponentParams
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:643
#8: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#9: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/templates/os/components/bitrix/catalog/al/sections.php:361
#10: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:789
#11: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:884
#12: CBitrixComponentTemplate->IncludeTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:764
#13: CBitrixComponent->showComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:712
#14: CBitrixComponent->includeComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog/component.php:171
#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/catalog/index.php:279
#19: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#20: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/urlrewrite.php:2