[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2002) Connection refused (400)
/home/m/mebelia/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/m/mebelia/public_html/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource()
	/home/m/mebelia/public_html/bitrix/modules/main/lib/db/mysqlisqlhelper.php:21
#2: Bitrix\Main\DB\MysqliSqlHelper->forSql(string)
	/home/m/mebelia/public_html/bitrix/modules/main/lib/config/option.php:193
#3: Bitrix\Main\Config\Option::load(string)
	/home/m/mebelia/public_html/bitrix/modules/main/lib/config/option.php:38
#4: Bitrix\Main\Config\Option::get(string, string, string, boolean)
	/home/m/mebelia/public_html/bitrix/modules/main/classes/general/option.php:30
#5: CAllOption::GetOptionString(string, string, string)
	/home/m/mebelia/public_html/bitrix/modules/ammina.optimizer/include.php:76
#6: CAmminaOptimizer::isAllowPageOptimize()
	/home/m/mebelia/public_html/bitrix/modules/ammina.optimizer/lib/core2/application.php:196
#7: Ammina\Optimizer\Core2\Application->__construct()
	/home/m/mebelia/public_html/bitrix/modules/ammina.optimizer/lib/core2/application.php:134
#8: Ammina\Optimizer\Core2\Application::getInstance()
	/home/m/mebelia/public_html/bitrix/modules/ammina.optimizer/include.php:192
#9: CAmminaOptimizer::OnPageStart()
	/home/m/mebelia/public_html/bitrix/modules/main/classes/general/module.php:490
#10: ExecuteModuleEventEx(array)
	/home/m/mebelia/public_html/bitrix/modules/main/include.php:291
#11: require_once(string)
	/home/m/mebelia/public_html/bitrix/modules/main/include/prolog_before.php:14
#12: require_once(string)
	/home/m/mebelia/public_html/bitrix/modules/main/include/prolog.php:10
#13: require_once(string)
	/home/m/mebelia/public_html/bitrix/header.php:1
#14: require(string)
	/home/m/mebelia/public_html/catalog/index.php:1
#15: include_once(string)
	/home/m/mebelia/public_html/bitrix/modules/main/include/urlrewrite.php:159
#16: include_once(string)
	/home/m/mebelia/public_html/bitrix/urlrewrite.php:2