[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`catalog_catalog_iblock`.`IBLOCK_ID` AS `IBLOCK_ID`,
	`catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` AS `PRODUCT_IBLOCK_ID`
FROM `b_catalog_iblock` `catalog_catalog_iblock` 

/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/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(array)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_cond.php:3462
#5: CCatalogCondCtrlIBlockProps::GetControls(string)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_cond.php:3732
#6: CCatalogCondCtrlIBlockProps::ApplyValues(array, string)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_cond.php:4993
#7: CGlobalCondTree->GetConditionValuesLevel(array, array, boolean)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_cond.php:4950
#8: CGlobalCondTree->GetConditionValuesLevel(array, array, boolean)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_cond.php:4926
#9: CGlobalCondTree->GetConditionValues(array)
	/home/bitrix/www/bitrix/modules/nextype.magnet/classes/general/csolution.php:731
#10: Nextype\Magnet\CSolution->getFilterFromConditions(array)
	/home/bitrix/www/bitrix/templates/magnet_s2/components/nextype/magnet.landing/main/page_blocks/products.php:13
#11: include(string)
	/home/bitrix/www/bitrix/templates/magnet_s2/components/nextype/magnet.landing/main/template.php:10
#12: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:789
#13: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:884
#14: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:764
#15: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:712
#16: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/www/bitrix/components/nextype/magnet.landing/component.php:167
#17: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#18: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:680
#19: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#20: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/home/bitrix/ext_www/s2/include/components/landing.php:77
#21: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#22: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2