[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`catalog_rounding`.`PRICE` AS `PRICE`,
	`catalog_rounding`.`ROUND_TYPE` AS `ROUND_TYPE`,
	`catalog_rounding`.`ROUND_PRECISION` AS `ROUND_PRECISION`,
	`catalog_rounding`.`CATALOG_GROUP_ID` AS `CATALOG_GROUP_ID`,
	`catalog_rounding`.`ID` AS `UALIAS_0`
FROM `b_catalog_rounding` `catalog_rounding` 

WHERE `catalog_rounding`.`CATALOG_GROUP_ID` IN (1)
ORDER BY `CATALOG_GROUP_ID` ASC, `PRICE` DESC
/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:3538
#2: Bitrix\Main\ORM\Query\Query->query
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/query/query.php:949
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/catalog/lib/product/price.php:107
#5: Bitrix\Catalog\Product\Price::loadRoundRules
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:728
#6: Bitrix\Iblock\Component\Base->initPrices
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4044
#7: Bitrix\Iblock\Component\Base->processResultData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:92
#8: CatalogSectionComponent->processResultData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4551
#9: Bitrix\Iblock\Component\Base->loadData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:1232
#10: Bitrix\Iblock\Component\ElementList->loadData
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4540
#11: Bitrix\Iblock\Component\Base->initialLoadAction
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:334
#12: CatalogSectionComponent->initialLoadAction
	
#13: call_user_func
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4725
#14: Bitrix\Iblock\Component\Base->doAction
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4743
#15: Bitrix\Iblock\Component\Base->executeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:656
#16: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#17: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/templates/os/components/bitrix/catalog/al/sections.php:361
#18: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:789
#19: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component_template.php:884
#20: CBitrixComponentTemplate->IncludeTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:764
#21: CBitrixComponent->showComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:712
#22: CBitrixComponent->includeComponentTemplate
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/components/bitrix/catalog/component.php:171
#23: include(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:605
#24: CBitrixComponent->__includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/component.php:680
#25: CBitrixComponent->includeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/classes/general/main.php:1063
#26: CAllMain->IncludeComponent
	/home/kanzoptima/web/kanzoptima.ru/public_html/catalog/index.php:279
#27: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#28: include_once(string)
	/home/kanzoptima/web/kanzoptima.ru/public_html/bitrix/urlrewrite.php:2