[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`,
	`catalog_catalog_iblock`.`SKU_PROPERTY_ID` AS `SKU_PROPERTY_ID`,
	`catalog_catalog_iblock_iblock`.`VERSION` AS `VERSION`,
	`catalog_catalog_iblock_iblock`.`ID` AS `UALIAS_0`
FROM `b_catalog_iblock` `catalog_catalog_iblock` 
INNER JOIN `b_iblock` `catalog_catalog_iblock_iblock` ON `catalog_catalog_iblock`.`IBLOCK_ID` = `catalog_catalog_iblock_iblock`.`ID`
WHERE `catalog_catalog_iblock`.`IBLOCK_ID` = 142
AND (`catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` IS NOT NULL AND `catalog_catalog_iblock`.`PRODUCT_IBLOCK_ID` <> 0)
/var/www/new_kontakt/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/new_kontakt/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/query/query.php:3304
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/query/query.php:816
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/new_kontakt/bitrix/modules/catalog/general/catalog_sku.php:113
#5: CAllCatalogSku::GetInfoByOfferIBlock(integer)
	/var/www/new_kontakt/bitrix/modules/catalog/general/discount.php:1411
#6: CAllCatalogDiscount::GetDiscount(integer, integer, array, array, string, string, array)
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:2960
#7: Bitrix\Iblock\Component\Base->calculatePriceBlock(array, array, integer, boolean)
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:2744
#8: Bitrix\Iblock\Component\Base->calculateItemPrices(array)
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:3494
#9: Bitrix\Iblock\Component\Base->processProducts()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:4002
#10: Bitrix\Iblock\Component\Base->prepareData()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:3955
#11: Bitrix\Iblock\Component\Base->processResultData()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/element.php:286
#12: Bitrix\Iblock\Component\Element->processResultData()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:4453
#13: Bitrix\Iblock\Component\Base->loadData()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:4442
#14: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/element.php:271
#15: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#16: call_user_func(array)
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:4627
#17: Bitrix\Iblock\Component\Base->doAction()
	/var/www/new_kontakt/bitrix/modules/iblock/lib/component/base.php:4645
#18: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component.php:649
#19: CBitrixComponent->includeComponent(string, array, object)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/main.php:1039
#20: CAllMain->IncludeComponent(string, string, array, object)
	/var/www/new_kontakt/bitrix/templates/.default/components/bitrix/catalog/two_side_template_1308/element.php:226
#21: include(string)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component_template.php:725
#22: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component_template.php:820
#23: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component.php:746
#24: CBitrixComponent->showComponentTemplate()
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component.php:694
#25: CBitrixComponent->includeComponentTemplate(string)
	/var/www/new_kontakt/bitrix/components/bitrix/catalog/component.php:171
#26: include(string)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component.php:605
#27: CBitrixComponent->__includeComponent()
	/var/www/new_kontakt/bitrix/modules/main/classes/general/component.php:664
#28: CBitrixComponent->includeComponent(string, array, boolean)
	/var/www/new_kontakt/bitrix/modules/main/classes/general/main.php:1039
#29: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/new_kontakt/ua/catalog/index.php:932
#30: include_once(string)
	/var/www/new_kontakt/bitrix/modules/main/include/urlrewrite.php:159
#31: include_once(string)
	/var/www/new_kontakt/bitrix/urlrewrite.php:2