[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` = 18
LIMIT 0, 1

/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:138
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:332
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:1740
#2: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/entity/query.php:454
#3: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/entity/datamanager.php:230
#4: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basetemplate.php:140
#5: Bitrix\Iblock\InheritedProperty\BaseTemplate->hasTemplates(object)
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basevalues.php:154
#6: Bitrix\Iblock\InheritedProperty\BaseValues->hasTemplates()
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/elementvalues.php:128
#7: Bitrix\Iblock\InheritedProperty\ElementValues->queryValues()
	/home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/basevalues.php:100
#8: Bitrix\Iblock\InheritedProperty\BaseValues->getValues()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/component.php:739
#9: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:535
#10: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:578
#11: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1032
#12: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/new_telhistory/components/bitrix/catalog/collection/sections.php:178
#13: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:535
#14: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:618
#15: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:657
#16: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:605
#17: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:134
#18: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:535
#19: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:578
#20: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1032
#21: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/ext_www/telhistory.l-tech.ru/collection/index.php:146
#22: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:154
#23: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2