[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
select `USER_ID` from `b_sale_fuser` where `ID`=138086
/mks-market.ru/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/mks-market.ru/bitrix/modules/main/lib/db/connection.php:329
#1: Bitrix\Main\DB\Connection->query(string)
	/mks-market.ru/bitrix/modules/sale/lib/discountcoupon.php:1618
#2: Bitrix\Sale\DiscountCouponsManager::initUserId()
	/mks-market.ru/bitrix/modules/sale/lib/discountcoupon.php:153
#3: Bitrix\Sale\DiscountCouponsManager::initUseMode(integer, array)
	/mks-market.ru/bitrix/modules/sale/lib/discountcoupon.php:432
#4: Bitrix\Sale\DiscountCouponsManager::init()
	/mks-market.ru/bitrix/modules/sale/lib/discountcoupon.php:756
#5: Bitrix\Sale\DiscountCouponsManager::get(boolean, array, boolean)
	/mks-market.ru/bitrix/modules/sale/lib/discountcoupon.php:799
#6: Bitrix\Sale\DiscountCouponsManager::getForApply(array, array, boolean)
	/mks-market.ru/bitrix/modules/sale/lib/discount.php:5019
#7: Bitrix\Sale\Discount->loadDiscountList()
	/mks-market.ru/bitrix/modules/sale/lib/discount.php:1708
#8: Bitrix\Sale\Discount->calculateFull()
	/mks-market.ru/bitrix/modules/sale/lib/discount.php:721
#9: Bitrix\Sale\Discount->calculate()
	/mks-market.ru/bitrix/modules/sale/lib/basketcomponenthelper.php:610
#10: Bitrix\Sale\BasketComponentHelper::calculateBasketCost(object)
	/mks-market.ru/bitrix/modules/sale/lib/basketcomponenthelper.php:255
#11: Bitrix\Sale\BasketComponentHelper::calculatePrice(integer, array)
	/mks-market.ru/bitrix/modules/sale/lib/basketcomponenthelper.php:126
#12: Bitrix\Sale\BasketComponentHelper::updateFUserBasketPrice(integer, string)
	/mks-market.ru/bitrix/modules/sale/lib/basketcomponenthelper.php:63
#13: Bitrix\Sale\BasketComponentHelper::getFUserBasketPrice(integer, string)
	/mks-market.ru/bitrix/components/bitrix/sale.basket.basket.line/class.php:200
#14: SaleBasketLineComponent->executeComponent()
	/mks-market.ru/bitrix/modules/main/classes/general/component.php:585
#15: CBitrixComponent->includeComponent(string, array, boolean)
	/mks-market.ru/bitrix/modules/main/classes/general/main.php:1035
#16: CAllMain->IncludeComponent(string, string, array, boolean)
	/mks-market.ru/bitrix/templates/remont_or/header.php:85
#17: include_once(string)
	/mks-market.ru/bitrix/modules/main/include/prolog_after.php:96
#18: require(string)
	/mks-market.ru/bitrix/modules/main/include/prolog.php:11
#19: require_once(string)
	/mks-market.ru/bitrix/header.php:1
#20: require(string)
	/mks-market.ru/catalog/index.php:4
#21: include_once(string)
	/mks-market.ru/bitrix/modules/main/include/urlrewrite.php:159
#22: include_once(string)
	/mks-market.ru/bitrix/urlrewrite.php:2