[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2002) Connection refused (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:82
#0: Bitrix\Main\DB\MysqliConnection->connectInternal
	/home/bitrix/www/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource
	/home/bitrix/www/bitrix/modules/main/classes/general/database.php:283
#2: CAllDatabase->DoConnect
	/home/bitrix/www/bitrix/modules/main/classes/mysql/database_mysqli.php:73
#3: CDatabase->ForSql
	/home/bitrix/www/bitrix/modules/main/classes/general/user_options.php:126
#4: CUserOptions::GetOption
	/home/bitrix/www/bitrix/modules/sdelka.biz/classes/general/SdelkaBiz.php:456
#5: SdelkaBiz::isEditMode
	/home/bitrix/www/bitrix/modules/sdelka.biz/classes/general/SdelkaBiz.php:23
#6: SdelkaBiz::addScriptTag
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:480
#7: ExecuteModuleEventEx
	/home/bitrix/www/bitrix/modules/main/include.php:173
#8: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#9: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#10: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#11: require(string)
	/home/bitrix/www/index.php:2
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