[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost, 127.0.0.1]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) (400)
/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/db/mysqlconnection.php:50
#0: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/db/mysqlconnection.php:103
#1: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/db/connection.php:329
#2: Bitrix\Main\DB\Connection->query(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/entity/query.php:1924
#3: Bitrix\Main\Entity\Query->query(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/entity/query.php:505
#4: Bitrix\Main\Entity\Query->exec()
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/entity/datamanager.php:256
#5: Bitrix\Main\Entity\DataManager::getList(array)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/entity/datamanager.php:134
#6: Bitrix\Main\Entity\DataManager::getByPrimary(integer)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/lib/entity/datamanager.php:145
#7: Bitrix\Main\Entity\DataManager::getById(integer)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/php_interface/redirects.php:6
#8: include_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/php_interface/init.php:29
#9: include_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/include.php:218
#10: require_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/include/prolog_before.php:14
#11: require_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/include/prolog.php:10
#12: require_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/header.php:1
#13: require(string)
	/var/www/vhosts/katyena.ru/httpdocs/cosmetics/index.php:2
#14: include_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/bitrix/modules/main/include/urlrewrite.php:159
#15: include_once(string)
	/var/www/vhosts/katyena.ru/httpdocs/404.php:2