[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 (371, 396, 416, 656, 714, 722, 725, 731, 732, 735, 738, 743, 744, 747, 1191, 1271, 1273, 1274, 1279))
AND `iblock_property`.`IBLOCK_ID` = 29
ORDER BY `ID` ASC
/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php:3398
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/iblock/classes/general/iblockpropresult.php:261
#5: CIBlockPropertyResult->setIBlock(integer, array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/iblock/classes/general/iblockelement.php:5405
#6: CAllIBlockElement::GetPropertyValues(integer, array, boolean, array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog.smart.filter/component.php:166
#7: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:605
#8: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:103
#9: CBitrixComponent->executeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog.smart.filter/class.php:138
#10: CBitrixCatalogSmartFilter->executeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:656
#11: CBitrixComponent->includeComponent(string, array, object, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/main.php:1041
#12: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/filter.php:21
#13: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/page_blocks/list_elements_1.php:249
#14: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/templates/mega/components/bitrix/catalog/main/section.php:489
#15: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component_template.php:789
#16: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component_template.php:884
#17: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:764
#18: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:712
#19: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/components/bitrix/catalog/component.php:171
#20: include(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:605
#21: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/component.php:680
#22: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/classes/general/main.php:1041
#23: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/megavanna.ru/catalog/index.php:1097
#24: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/include/urlrewrite.php:159
#25: include_once(string)
	/home/bitrix/ext_www/megavanna.ru/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('SELECT \n\t`main_...', Array, NULL) #1 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(3398): Bitrix\Main\DB\Connection->query('SELECT \n\t`main_...') #2 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/query/query.php(825): Bitrix\Main\ORM\Query\Query->query('SELECT \n\t`main_...') #3 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/orm/data/datamanager.php(500): Bitrix\Main\ORM\Query\Query->exec() #4 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/sitespeed.php(95): Bitrix\Main\ORM\Data\DataManager::getList(Array) #5 /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/analytics/counter.php(92): Bitrix\Main in /home/bitrix/ext_www/megavanna.ru/bitrix/modules/main/lib/db/mysqliconnection.php on line 137