[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`iblock_inherited_property`.`ID` AS `ID`
FROM `b_iblock_iproperty` `iblock_inherited_property` 

WHERE `iblock_inherited_property`.`IBLOCK_ID` = 33
LIMIT 0, 1

/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basetemplate.php:145
#5: Bitrix\Iblock\InheritedProperty\BaseTemplate->hasTemplates
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basevalues.php:158
#6: Bitrix\Iblock\InheritedProperty\BaseValues->hasTemplates
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/sectionvalues.php:97
#7: Bitrix\Iblock\InheritedProperty\SectionValues->queryValues
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basevalues.php:104
#8: Bitrix\Iblock\InheritedProperty\BaseValues->getValues
	/home/bitrix/www/bitrix/components/bitrix/catalog.section.list/component.php:297
#9: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#10: CBitrixComponent->__includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:680
#11: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1046
#12: CAllMain->IncludeComponent
	/home/bitrix/www/bitrix/components/w247.catalogs/catalog.smart.filter/templates/.default/template.php:32
#13: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#14: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#15: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#16: CBitrixComponent->showComponentTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#17: CBitrixComponent->includeComponentTemplate
	/home/bitrix/www/bitrix/components/w247.catalogs/catalog.smart.filter/component.php:1014
#18: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#19: CBitrixComponent->__includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:103
#20: CBitrixComponent->executeComponent
	/home/bitrix/www/bitrix/components/w247.catalogs/catalog.smart.filter/class.php:138
#21: CBitrixCatalogSmartFilter->executeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#22: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1046
#23: CAllMain->IncludeComponent
	/home/bitrix/www/local/components/w247.catalogs/catalog/templates/.default/section.php:2393
#24: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#25: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#26: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#27: CBitrixComponent->showComponentTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#28: CBitrixComponent->includeComponentTemplate
	/home/bitrix/www/local/components/w247.catalogs/catalog/class.php:268
#29: W247CatalogsComponent->executeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:656
#30: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1046
#31: CAllMain->IncludeComponent
	/home/bitrix/www/catalog/index.php:234
#32: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#33: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2

( ! ) Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137
Call Stack
#TimeMemoryFunctionLocation
14.49996781784Bitrix\Main\Diag\ExceptionHandler->handleException( ).../exceptionhandler.php:0
( ! ) Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137
Call Stack
#TimeMemoryFunctionLocation
14.49996781784Bitrix\Main\Diag\ExceptionHandler->handleException( ).../exceptionhandler.php:0
24.57326783464CAllMain::{closure:/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3419-3426}( ).../main.php:0
34.57326783488ob_end_flush ( ).../main.php:3424
44.57326791712CMain->EndBufferContent( ).../main.php:3424
54.57336792784ExecuteModuleEventEx( ).../main.php:3172
64.59036792088Bitrix\Main\Analytics\Counter::onBeforeEndBufferContent( ).../module.php:480
74.59076792232Bitrix\Main\Analytics\SiteSpeed::isIntranetSite( ).../counter.php:92
84.59076792232Bitrix\Main\ORM\Data\DataManager::getList( ).../sitespeed.php:95
94.59076793656Bitrix\Main\ORM\Query\Query->exec( ).../datamanager.php:500
104.59126797104Bitrix\Main\ORM\Query\Query->query( ).../query.php:825
114.59126797104Bitrix\Main\DB\MysqliConnection->query( ).../query.php:3357
124.59136797104Bitrix\Main\DB\MysqliConnection->queryInternal( ).../connection.php:330