[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SHOW TABLES LIKE 'b_iblock_5_index_val'
/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/lib/db/mysqlcommonconnection.php:52
#2: Bitrix\Main\DB\MysqlCommonConnection->isTableExists(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/lib/propertyindex/dictionary.php:54
#3: Bitrix\Iblock\PropertyIndex\Dictionary->isExists()
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/lib/propertyindex/facet.php:57
#4: Bitrix\Iblock\PropertyIndex\Facet->__construct(integer)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/lib/propertyindex/querybuilder.php:28
#5: Bitrix\Iblock\PropertyIndex\QueryBuilder->__construct(integer)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/classes/general/iblockelement.php:657
#6: CAllIBlockElement->MkFilter(array, array, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/classes/general/iblockelement.php:3088
#7: CAllIBlockElement->PrepareGetList(array, array, array, string, array, array, NULL, NULL, array, boolean, string, array, array, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/classes/mysql/iblockelement.php:343
#8: CIBlockElement->prepareSql(array, array, boolean, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/iblock/classes/mysql/iblockelement.php:662
#9: CIBlockElement::GetList(array, array, boolean, array, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/templates/dresscodeV2/components/bitrix/menu/catalogMenu4/result_modifier.php:80
#10: include(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component_template.php:946
#11: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component_template.php:853
#12: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component.php:746
#13: CBitrixComponent->showComponentTemplate()
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component.php:694
#14: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/ext_www/milpitas.by/bitrix/components/bitrix/menu/component.php:386
#15: include(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component.php:605
#16: CBitrixComponent->__includeComponent()
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component.php:103
#17: CBitrixComponent->executeComponent()
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/component.php:649
#18: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/classes/general/main.php:1039
#19: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/home/bitrix/ext_www/milpitas.by/bitrix/templates/dresscodeV2/headers/header1/template.php:172
#20: require_once(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/templates/dresscodeV2/header.php:75
#21: include_once(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/include/prolog_after.php:106
#22: require(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/include/prolog.php:11
#23: require_once(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/header.php:1
#24: require(string)
	/home/bitrix/ext_www/milpitas.by/catalog/index.php:2
#25: include_once(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/modules/main/include/urlrewrite.php:159
#26: include_once(string)
	/home/bitrix/ext_www/milpitas.by/bitrix/urlrewrite.php:2