$action['NAME']<pre>[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (2002) Connection refused (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection-&gt;connectInternal()
	/home/bitrix/www/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection-&gt;getResource()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqlisqlhelper.php:21
#2: Bitrix\Main\DB\MysqliSqlHelper-&gt;forSql(string)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:193
#3: Bitrix\Main\Config\Option::load(string)
	/home/bitrix/www/bitrix/modules/main/lib/config/option.php:38
#4: Bitrix\Main\Config\Option::get(string, string, string)
	/home/bitrix/www/bitrix/modules/main/lib/httprequest.php:394
#5: Bitrix\Main\HttpRequest-&gt;prepareCookie(array)
	/home/bitrix/www/bitrix/modules/main/lib/httprequest.php:71
#6: Bitrix\Main\HttpRequest-&gt;__construct(object, array, array, array, array)
	/home/bitrix/www/bitrix/modules/main/lib/httpapplication.php:48
#7: Bitrix\Main\HttpApplication-&gt;initializeContext(array)
	/home/bitrix/www/bitrix/modules/main/lib/application.php:122
#8: Bitrix\Main\Application-&gt;initializeExtendedKernel(array)
	/home/bitrix/www/bitrix/modules/main/include.php:22
#9: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#10: require(string)
	/home/bitrix/www/photocontest/index.php:3
#11: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#12: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
</pre>