[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2002) No such file or directory (400)
/var/www/www-root/data/www/yadro/bitrix/modules/main/lib/db/mysqliconnection.php:82
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/var/www/www-root/data/www/yadro/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource()
	/var/www/www-root/data/www/yadro/bitrix/modules/main/classes/general/database.php:283
#2: CAllDatabase->DoConnect()
	/var/www/www-root/data/www/yadro/bitrix/modules/main/classes/mysql/database_mysqli.php:82
#3: CDatabase->ForSqlLike(string)
	/var/www/www-root/data/www/yadro/bitrix/modules/iblock/classes/general/iblock.php:2478
#4: CAllIBlock::FilterCreateEx(string, array, string, boolean, string, boolean)
	/var/www/www-root/data/www/yadro/bitrix/modules/iblock/classes/general/iblock.php:2360
#5: CAllIBlock::FilterCreate(string, string, string, string)
	/var/www/www-root/data/www/yadro/bitrix/modules/iblock/classes/mysql/iblock.php:37
#6: CIBlock::GetList(array, array, boolean)
	/var/www/www-root/data/www/xn--80aaote6a0f.xn--p1ai/local/php_interface/include/helper_functions/function.php:72
#7: getIblockIdByCode(string)
	/var/www/www-root/data/www/xn--80aaote6a0f.xn--p1ai/local/php_interface/include/helper_functions/function.php:140
#8: require_once(string)
	/var/www/www-root/data/www/xn--80aaote6a0f.xn--p1ai/local/php_interface/init.php:40
#9: include_once(string)
	/var/www/www-root/data/www/yadro/bitrix/modules/main/include.php:125
#10: require_once(string)
	/var/www/www-root/data/www/yadro/bitrix/modules/main/include/prolog_before.php:14
#11: require_once(string)
	/var/www/www-root/data/www/yadro/bitrix/modules/main/include/prolog.php:10
#12: require_once(string)
	/var/www/www-root/data/www/yadro/bitrix/header.php:1
#13: require(string)
	/var/www/www-root/data/www/xn--80aaote6a0f.xn--p1ai/catalog/index.php:3
#14: include_once(string)
	/var/www/www-root/data/www/yadro/bitrix/modules/main/include/urlrewrite.php:160
#15: include_once(string)
	/var/www/www-root/data/www/yadro/bitrix/urlrewrite.php:2
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