[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`highloadblock_highload_block`.`ID` AS `ID`,
	`highloadblock_highload_block`.`NAME` AS `NAME`,
	`highloadblock_highload_block`.`TABLE_NAME` AS `TABLE_NAME`
FROM `b_hlblock_entity` `highloadblock_highload_block` 

WHERE `highloadblock_highload_block`.`ID` = 4
/var/www/electrictd.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/electrictd.ru/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/query/query.php:3398
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/data/datamanager.php:361
#5: Bitrix\Main\ORM\Data\DataManager::getByPrimary(array)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/data/datamanager.php:376
#6: Bitrix\Main\ORM\Data\DataManager::getById(integer)
	/var/www/electrictd.ru/bitrix/modules/highloadblock/classes/general/cusertypehlblock.php:197
#7: CUserTypeHlblock::getEntityReferences(array, object)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/usertype.php:3134
#8: CUserTypeManager->getEntityReferences(array, object)
	/var/www/electrictd.ru/bitrix/modules/main/lib/userfield.php:416
#9: Bitrix\Main\UserFieldTable::createUtsEntity(object, array, array, string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/userfield.php:273
#10: Bitrix\Main\UserFieldTable::attachFields(object, string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/entity.php:315
#11: Bitrix\Main\ORM\Entity->postInitialize()
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/entity.php:126
#12: Bitrix\Main\ORM\Entity::getInstanceDirect(string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/entity.php:104
#13: Bitrix\Main\ORM\Entity::getInstance(string)
	/var/www/electrictd.ru/bitrix/modules/main/lib/orm/data/datamanager.php:81
#14: Bitrix\Main\ORM\Data\DataManager::getEntity()
	/var/www/electrictd.ru/bitrix/modules/catalog/lib/model/entity.php:470
#15: Bitrix\Catalog\Model\Entity->initEntityTablet()
	/var/www/electrictd.ru/bitrix/modules/catalog/lib/model/entity.php:39
#16: Bitrix\Catalog\Model\Entity->__construct()
	/var/www/electrictd.ru/bitrix/modules/catalog/lib/model/entity.php:55
#17: Bitrix\Catalog\Model\Entity::getEntity()
	/var/www/electrictd.ru/bitrix/modules/catalog/lib/model/entity.php:72
#18: Bitrix\Catalog\Model\Entity::getList(array)
	/var/www/electrictd.ru/bitrix/modules/catalog/general/product.php:598
#19: CAllCatalogProduct::GetByID(integer)
	/var/www/electrictd.ru/bitrix/modules/catalog/general/product.php:710
#20: CAllCatalogProduct::GetByIDEx(integer)
	/var/www/electrictd.ru/bitrix/php_interface/init.php:89
#21: MyGetOptimalPrice(integer, integer, array, string, array, string, array)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/module.php:465
#22: ExecuteModuleEventEx(array, array)
	/var/www/electrictd.ru/bitrix/modules/catalog/general/product.php:954
#23: CAllCatalogProduct::GetOptimalPrice(integer, integer, array, string, array, string, array)
	/var/www/electrictd.ru/bitrix/components/bitrix/catalog.element/class.php:138
#24: CatalogElementComponent->initAdditionalCacheKeys(array)
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/element.php:775
#25: Bitrix\Iblock\Component\Element->getCacheKeys()
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/base.php:4021
#26: Bitrix\Iblock\Component\Base->initResultCache()
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/base.php:4560
#27: Bitrix\Iblock\Component\Base->loadData()
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/base.php:4540
#28: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/element.php:271
#29: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#30: call_user_func(array)
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/base.php:4725
#31: Bitrix\Iblock\Component\Base->doAction()
	/var/www/electrictd.ru/bitrix/modules/iblock/lib/component/base.php:4743
#32: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component.php:656
#33: CBitrixComponent->includeComponent(string, array, object, boolean)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/main.php:1041
#34: CAllMain->IncludeComponent(string, string, array, object)
	/var/www/electrictd.ru/bitrix/templates/aspro_next/components/bitrix/catalog/main/page_blocks/element_1.php:2
#35: include_once(string)
	/var/www/electrictd.ru/bitrix/templates/aspro_next/components/bitrix/catalog/main/element_normal.php:70
#36: include_once(string)
	/var/www/electrictd.ru/bitrix/templates/aspro_next/components/bitrix/catalog/main/element.php:117
#37: include(string)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component_template.php:789
#38: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component_template.php:884
#39: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component.php:764
#40: CBitrixComponent->showComponentTemplate()
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component.php:712
#41: CBitrixComponent->includeComponentTemplate(string)
	/var/www/electrictd.ru/bitrix/components/bitrix/catalog/component.php:171
#42: include(string)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component.php:605
#43: CBitrixComponent->__includeComponent()
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/component.php:680
#44: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/var/www/electrictd.ru/bitrix/modules/main/classes/general/main.php:1041
#45: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/var/www/electrictd.ru/catalog/index.php:502
#46: include_once(string)
	/var/www/electrictd.ru/bitrix/modules/main/include/urlrewrite.php:159
#47: include_once(string)
	/var/www/electrictd.ru/bitrix/urlrewrite.php:2