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

WHERE `iblock_property`.`IBLOCK_ID` = 2
AND `iblock_property`.`ACTIVE` = 'Y'
ORDER BY `iblock_property`.`SORT` ASC, `iblock_property`.`ID` ASC
/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/lib/entity/query.php:1821
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/lib/entity/query.php:454
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/lib/entity/datamanager.php:242
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/ext_www/technodacha.ru/local/components/bitrix/catalog.element/component.php:675
#5: include(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:548
#6: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:600
#7: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/main.php:1035
#8: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/ext_www/technodacha.ru/local/templates/technodacha/components/bitrix/catalog/technodacha/element.php:169
#9: include(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component_template.php:714
#10: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component_template.php:806
#11: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:681
#12: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:629
#13: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/components/bitrix/catalog/component.php:167
#14: include(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:548
#15: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/component.php:600
#16: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/classes/general/main.php:1035
#17: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/technodacha.ru/catalog/index.php:860
#18: include_once(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/modules/main/include/urlrewrite.php:159
#19: include_once(string)
	/home/bitrix/ext_www/technodacha.ru/bitrix/urlrewrite.php:2