[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [127.0.0.1:3310, 127.0.0.1:3310] (400)
/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/db/mysqlconnection.php:50
#0: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/db/mysqlconnection.php:103
#1: Bitrix\Main\DB\MysqlConnection->queryInternal(string, NULL, NULL)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/db/connection.php:330
#2: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/db/connection.php:358
#3: Bitrix\Main\DB\Connection->queryScalar(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/composite/internals/locker.php:26
#4: Bitrix\Main\Composite\Internals\Locker::lock(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/composite/engine.php:473
#5: Bitrix\Main\Composite\Engine::processPageContent(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/lib/composite/engine.php:420
#6: Bitrix\Main\Composite\Engine::endBuffering(string, string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/classes/general/main.php:3194
#7: CAllMain->EndBufferContent(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/classes/general/main.php:3138
#8: CAllMain->EndBufferContentMan()
	/var/www/brl/data/www/brl.by/bitrix/modules/main/include/epilog_after.php:36
#9: require(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/include/epilog.php:3
#10: require_once(string)
	/var/www/brl/data/www/brl.by/bitrix/footer.php:4
#11: require(string)
	/var/www/brl/data/www/brl.by/bukvoed-online/index.php:130
#12: include_once(string)
	/var/www/brl/data/www/brl.by/bitrix/modules/main/include/urlrewrite.php:159
#13: include_once(string)
	/var/www/brl/data/www/brl.by/bitrix/urlrewrite.php:2