[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`iblock_property`.`ID` AS `ID`,
	`iblock_property`.`IBLOCK_ID` AS `IBLOCK_ID`,
	`iblock_property`.`NAME` AS `NAME`,
	`iblock_property`.`ACTIVE` AS `ACTIVE`,
	`iblock_property`.`SORT` AS `SORT`,
	`iblock_property`.`CODE` AS `CODE`,
	`iblock_property`.`DEFAULT_VALUE` AS `DEFAULT_VALUE`,
	`iblock_property`.`PROPERTY_TYPE` AS `PROPERTY_TYPE`,
	`iblock_property`.`MULTIPLE` AS `MULTIPLE`,
	`iblock_property`.`LINK_IBLOCK_ID` AS `LINK_IBLOCK_ID`,
	`iblock_property`.`VERSION` AS `VERSION`,
	`iblock_property`.`USER_TYPE` AS `USER_TYPE`,
	`iblock_property`.`USER_TYPE_SETTINGS` AS `USER_TYPE_SETTINGS`
FROM `b_iblock_property` `iblock_property` 

WHERE (`iblock_property`.`ID` in (2, 6, 7, 8, 16, 17, 20, 22, 26, 31, 32, 49, 82, 83, 86, 90, 116, 119, 120, 121, 146))
AND `iblock_property`.`IBLOCK_ID` = 3
ORDER BY `ID` ASC
/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/lib/entity/query.php:3038
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/lib/entity/query.php:797
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/lib/entity/datamanager.php:290
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/iblock/classes/general/iblockpropresult.php:258
#5: CIBlockPropertyResult->setIBlock(integer, array)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/iblock/classes/general/iblockelement.php:5389
#6: CAllIBlockElement::GetPropertyValues(integer, array, boolean, array)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/components/bitrix/catalog.smart.filter/component.php:127
#7: include(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:594
#8: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:102
#9: CBitrixComponent->executeComponent()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/components/bitrix/catalog.smart.filter/class.php:129
#10: CBitrixCatalogSmartFilter->executeComponent()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:638
#11: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/main.php:1041
#12: CAllMain->IncludeComponent(string, string, array, object, array)
	/home/bitrix/ext_www/tsnnedv.ru/local/bitrix/templates/.default/components/bitrix/catalog/catalog1/section_horizontal.php:102
#13: include(string)
	/home/bitrix/ext_www/tsnnedv.ru/local/bitrix/templates/.default/components/bitrix/catalog/catalog1/sections.php:18
#14: include(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component_template.php:720
#15: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component_template.php:815
#16: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:735
#17: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:683
#18: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/components/bitrix/catalog/component.php:175
#19: include(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:594
#20: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/component.php:653
#21: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/classes/general/main.php:1041
#22: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/tsnnedv.ru/catalog/index.php:388
#23: include_once(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/modules/main/include/urlrewrite.php:159
#24: include_once(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/urlrewrite.php:10
#25: require(string)
	/home/bitrix/ext_www/tsnnedv.ru/bitrix/seo.urlrewrite.php:99