[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`langs_values`.`ID` AS `ID`,
	`langs_values`.`UF_RU_LANG` AS `UF_RU_LANG`,
	`langs_values`.`UF_LANG_UA` AS `UF_LANG_UA`
FROM `langs_value` `langs_values` 

ORDER BY `ID` ASC
/var/www/new_kontakt/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/var/www/new_kontakt/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/query/query.php:3304
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/query/query.php:816
#3: Bitrix\Main\ORM\Query\Query->exec()
	/var/www/new_kontakt/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/var/www/new_kontakt/bitrix/php_interface/init.php:230
#5: include_once(string)
	/var/www/new_kontakt/bitrix/modules/main/include.php:241
#6: require_once(string)
	/var/www/new_kontakt/bitrix/modules/main/include/prolog_before.php:14
#7: require_once(string)
	/var/www/new_kontakt/bitrix/modules/main/include/prolog.php:10
#8: require_once(string)
	/var/www/new_kontakt/bitrix/header.php:1
#9: require(string)
	/var/www/new_kontakt/ua/catalog/index.php:2
#10: include_once(string)
	/var/www/new_kontakt/bitrix/modules/main/include/urlrewrite.php:159
#11: include_once(string)
	/var/www/new_kontakt/bitrix/urlrewrite.php:2