[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` = 84 /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/lib/db/mysqliconnection.php:137 #0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/lib/db/connection.php:330 #1: Bitrix\Main\DB\Connection->query(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/lib/entity/query.php:3038 #2: Bitrix\Main\Entity\Query->query(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/lib/entity/query.php:797 #3: Bitrix\Main\Entity\Query->exec() /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/lib/entity/datamanager.php:290 #4: Bitrix\Main\Entity\DataManager::getList(array) /home/bitrix/ext_www/dk-books.com/bitrix/modules/catalog/general/catalog_sku.php:143 #5: CAllCatalogSku::GetInfoByProductIBlock(integer) /home/bitrix/ext_www/dk-books.com/bitrix/modules/iblock/lib/propertyindex/facet.php:45 #6: Bitrix\Iblock\PropertyIndex\Facet->__construct(integer) /home/bitrix/ext_www/dk-books.com/bitrix/modules/iblock/lib/propertyindex/querybuilder.php:28 #7: Bitrix\Iblock\PropertyIndex\QueryBuilder->__construct(integer) /home/bitrix/ext_www/dk-books.com/bitrix/modules/iblock/classes/general/iblockelement.php:653 #8: CAllIBlockElement->MkFilter(array, array, array) /home/bitrix/ext_www/dk-books.com/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/ext_www/dk-books.com/bitrix/modules/iblock/classes/mysql/iblockelement.php:340 #10: CIBlockElement->prepareSql(array, array, boolean, array) /home/bitrix/ext_www/dk-books.com/bitrix/modules/iblock/classes/mysql/iblockelement.php:643 #11: CIBlockElement::GetList(array, array, boolean, array, array) /home/bitrix/ext_www/dk-books.com/include/header-line.php:5 #12: include(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/classes/general/main.php:1359 #13: CAllMain->IncludeFile(string, array, array) /home/bitrix/ext_www/dk-books.com/bitrix/templates/desktop/header.php:96 #14: include_once(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/include/prolog_after.php:96 #15: require(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/include/prolog.php:11 #16: require_once(string) /home/bitrix/ext_www/dk-books.com/bitrix/header.php:1 #17: require(string) /home/bitrix/ext_www/dk-books.com/sort/publisher/detail.php:2 #18: include_once(string) /home/bitrix/ext_www/dk-books.com/bitrix/modules/main/include/urlrewrite.php:159 #19: include_once(string) /home/bitrix/ext_www/dk-books.com/bitrix/urlrewrite.php:2