[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`
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`.`PRODUCT_IBLOCK_ID` = 29
/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:3190
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:806
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:457
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_sku.php:143
#5: CAllCatalogSku::GetInfoByProductIBlock(integer)
	/home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/facet.php:45
#6: Bitrix\Iblock\PropertyIndex\Facet->__construct(string)
	/home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/querybuilder.php:28
#7: Bitrix\Iblock\PropertyIndex\QueryBuilder->__construct(string)
	/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:653
#8: CAllIBlockElement->MkFilter(array, array, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:3091
#9: CAllIBlockElement->PrepareGetList(array, array, array, string, array, array, NULL, NULL, array, boolean, string, array, array, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:340
#10: CIBlockElement->prepareSql(array, array, boolean, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:643
#11: CIBlockElement::GetList(array, array, boolean, boolean, array)
	/home/bitrix/www/local/modules/francysk.fraemwork/lib/model/fciblockelementallprop.php:30
#12: Francysk\Fraemwork\Model\FCIBlockElementAllProp->execute()
	/home/bitrix/www/local/modules/francysk.fraemwork/lib/entity/elements.php:45
#13: Francysk\Fraemwork\Entity\Elements->getLogicModelITEMS()
	
#14: call_user_func(array)
	/home/bitrix/www/local/modules/francysk.fraemwork/lib/entity/elements.php:23
#15: Francysk\Fraemwork\Entity\Elements->executeEntity()
	/home/bitrix/www/local/modules/francysk.fraemwork/lib/entity/elements.php:69
#16: Francysk\Fraemwork\Entity\Elements->getResult()
	/home/bitrix/www/local/components/francysk.fraemwork/base.component/class.php:122
#17: BaseComponent->getResult()
	/home/bitrix/www/local/components/francysk.fraemwork/get.element.request/class.php:34
#18: GetElementByRequest->executeComponent()
	/home/bitrix/www/local/components/francysk.custom/catalog.item/class.php:19
#19: CatalogItem->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:638
#20: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1043
#21: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/en/katalog/detail.php:35
#22: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#23: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2