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[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 (21, 188, 190, 194, 196, 304, 305, 306, 307, 308, 309, 310))
AND `iblock_property`.`IBLOCK_ID` = 1
ORDER BY `ID` ASC
/media/electromontazh.ru/docs/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/media/electromontazh.ru/docs/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/lib/orm/query/query.php:3208
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/lib/orm/query/query.php:807
#3: Bitrix\Main\ORM\Query\Query->exec()
	/media/electromontazh.ru/docs/bitrix/modules/main/lib/orm/data/datamanager.php:484
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/media/electromontazh.ru/docs/bitrix/modules/iblock/classes/general/iblockpropresult.php:258
#5: CIBlockPropertyResult->setIBlock(integer, array)
	/media/electromontazh.ru/docs/bitrix/modules/iblock/classes/general/iblockelement.php:5398
#6: CAllIBlockElement::GetPropertyValues(integer, array, boolean, array)
	/media/electromontazh.ru/docs/bitrix/components/bitrix/catalog.smart.filter/component.php:166
#7: include(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:594
#8: CBitrixComponent->__includeComponent()
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:102
#9: CBitrixComponent->executeComponent()
	/media/electromontazh.ru/docs/bitrix/components/bitrix/catalog.smart.filter/class.php:138
#10: CBitrixCatalogSmartFilter->executeComponent()
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:638
#11: CBitrixComponent->includeComponent(string, array, object)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/main.php:1038
#12: CAllMain->IncludeComponent(string, string, array, object, array)
	/media/electromontazh.ru/docs/local/templates/main.v4/components/individ/catalog/.default/section.php:223
#13: include(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component_template.php:725
#14: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component_template.php:820
#15: CBitrixComponentTemplate->IncludeTemplate(array)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:735
#16: CBitrixComponent->showComponentTemplate()
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:683
#17: CBitrixComponent->includeComponentTemplate(string)
	/media/electromontazh.ru/docs/local/components/individ/catalog/component.php:168
#18: include(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:594
#19: CBitrixComponent->__includeComponent()
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/component.php:653
#20: CBitrixComponent->includeComponent(string, array, boolean)
	/media/electromontazh.ru/docs/bitrix/modules/main/classes/general/main.php:1038
#21: CAllMain->IncludeComponent(string, string, array, boolean)
	/media/electromontazh.ru/docs/catalog/index.php:129
#22: include_once(string)
	/media/electromontazh.ru/docs/bitrix/modules/main/include/urlrewrite.php:159
#23: include_once(string)
	/media/electromontazh.ru/docs/bitrix/urlrewrite.php:2