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[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`.`PRODUCT_IBLOCK_ID` = 86
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:153
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:327
#1: Bitrix\Main\DB\Connection->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3537
#2: Bitrix\Main\ORM\Query\Query->query
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:952
#3: Bitrix\Main\ORM\Query\Query->exec
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:513
#4: Bitrix\Main\ORM\Data\DataManager::getList
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_sku.php:151
#5: CCatalogSku::GetInfoByProductIBlock
	/home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/facet.php:45
#6: Bitrix\Iblock\PropertyIndex\Facet->__construct
	/home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/querybuilder.php:28
#7: Bitrix\Iblock\PropertyIndex\QueryBuilder->__construct
	/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:764
#8: CAllIBlockElement->MkFilter
	/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:3174
#9: CAllIBlockElement->PrepareGetList
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:326
#10: CIBlockElement->prepareSql
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:684
#11: CIBlockElement::GetList
	/home/bitrix/www/local/php_interface/view/ActionLabel.php:35
#12: sds\view\ActionLabel->load
	/home/bitrix/www/local/php_interface/view/ActionLabel.php:26
#13: sds\view\ActionLabel->__construct
	/home/bitrix/www/local/php_interface/view/ActionLabel.php:126
#14: sds\view\ActionLabel::instance
	/home/bitrix/www/local/templates/resds/modals.php:5
#15: include(string)
	/home/bitrix/www/local/templates/resds/footer.php:220
#16: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/epilog_before.php:93
#17: require(string)
	/home/bitrix/www/bitrix/modules/main/include/epilog.php:2
#18: require_once(string)
	/home/bitrix/www/bitrix/footer.php:4
#19: require(string)
	/home/bitrix/ext_www/new.sds1.ru/404.php:25
#20: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:4
----------

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:153 Stack trace: #0 /home/bitrix/www/bitrix/modules/main/lib/db/mysqlcommonconnection.php(92): Bitrix\Main\DB\MysqliConnection->queryInternal() #1 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(795): Bitrix\Main\DB\MysqlCommonConnection->getTableFields() #2 /home/bitrix/www/bitrix/modules/main/lib/db/sqlhelper.php(406): Bitrix\Main\DB\Connection->getTableField() #3 /home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php(1669): Bitrix\Main\DB\SqlHelper->prepareAssignment() #4 /home/bitrix/www/bitrix/modules/main/lib/session/handlers/databasesessionhandler.php(60): Bitrix\Main\ORM\Data\DataManager::delete() #5 /home/bitrix/www/bitrix/modules/main/lib/session/handlers/databasesessionhandler.php(38): Bitrix\Main\Session\Handlers\DatabaseSessionHandler->processDestroy() #6 /home/bitrix/www/bitrix/modules/main/lib/session/handlers/abstractsessionhandler.php(88): Bitrix\Main\Session\Handlers\DatabaseSessionHandler->processWrite() #7 [internal function]: Bitrix\Main\Session\Handlers\AbstractSessionHandler->write() #8 [internal function]: session_write_close() #9 {main} thrown in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 153