[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`sale_internals_order_discount`.`ID` AS `ID`,
	`sale_internals_order_discount`.`MODULE_ID` AS `MODULE_ID`,
	`sale_internals_order_discount`.`DISCOUNT_ID` AS `DISCOUNT_ID`,
	`sale_internals_order_discount`.`NAME` AS `NAME`,
	`sale_internals_order_discount`.`DISCOUNT_HASH` AS `DISCOUNT_HASH`,
	`sale_internals_order_discount`.`CONDITIONS` AS `CONDITIONS`,
	`sale_internals_order_discount`.`UNPACK` AS `UNPACK`,
	`sale_internals_order_discount`.`ACTIONS` AS `ACTIONS`,
	`sale_internals_order_discount`.`APPLICATION` AS `APPLICATION`,
	`sale_internals_order_discount`.`USE_COUPONS` AS `USE_COUPONS`,
	`sale_internals_order_discount`.`SORT` AS `SORT`,
	`sale_internals_order_discount`.`PRIORITY` AS `PRIORITY`,
	`sale_internals_order_discount`.`LAST_DISCOUNT` AS `LAST_DISCOUNT`,
	`sale_internals_order_discount`.`ACTIONS_DESCR` AS `ACTIONS_DESCR`
FROM `b_sale_order_discount` `sale_internals_order_discount` 

WHERE `sale_internals_order_discount`.`DISCOUNT_HASH` = '8304509fe663da6c6566320a994c2616'
/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:3304
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:816
#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/sale/lib/orderdiscount.php:93
#5: Bitrix\Sale\OrderDiscount::getOrderDiscountIterator(array)
	/home/bitrix/www/bitrix/modules/sale/lib/orderdiscountbase.php:1413
#6: Bitrix\Sale\OrderDiscountBase::searchDiscount(string)
	/home/bitrix/www/bitrix/modules/sale/lib/orderdiscountbase.php:192
#7: Bitrix\Sale\OrderDiscountBase::saveDiscount(array, boolean)
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:3516
#8: Bitrix\Sale\DiscountBase->convertDiscount(array)
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:2802
#9: Bitrix\Sale\DiscountBase->calculateFullSaleDiscountResult()
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:2247
#10: Bitrix\Sale\DiscountBase->applySaleDiscount()
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:4660
#11: Bitrix\Sale\DiscountBase->executeDiscountList()
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:1324
#12: Bitrix\Sale\DiscountBase->calculateFull()
	/home/bitrix/www/bitrix/modules/sale/lib/discountbase.php:490
#13: Bitrix\Sale\DiscountBase->calculate()
	/home/bitrix/www/bitrix/modules/catalog/general/discount.php:1138
#14: CAllCatalogDiscount::getSaleDiscountsByProduct(array, string, array, array, boolean, array)
	/home/bitrix/www/bitrix/modules/catalog/general/discount.php:1298
#15: CAllCatalogDiscount::GetDiscount(integer, integer, array, array, string, string, array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:2960
#16: Bitrix\Iblock\Component\Base->calculatePriceBlock(array, array, integer, boolean)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:2744
#17: Bitrix\Iblock\Component\Base->calculateItemPrices(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:3535
#18: Bitrix\Iblock\Component\Base->processOffers()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4003
#19: Bitrix\Iblock\Component\Base->prepareData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:3955
#20: Bitrix\Iblock\Component\Base->processResultData()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:91
#21: CatalogSectionComponent->processResultData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4453
#22: Bitrix\Iblock\Component\Base->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/elementlist.php:1201
#23: Bitrix\Iblock\Component\ElementList->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4442
#24: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:333
#25: CatalogSectionComponent->initialLoadAction()
	
#26: call_user_func(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4627
#27: Bitrix\Iblock\Component\Base->doAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4645
#28: Bitrix\Iblock\Component\Base->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:648
#29: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#30: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/megamart_default/components/bitrix/catalog/catalog/section.php:705
#31: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:725
#32: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:820
#33: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:745
#34: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:693
#35: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:171
#36: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:604
#37: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:663
#38: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1039
#39: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/catalog/index.php:1272
#40: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#41: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2