[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (1040) Too many connections (400)
/var/www/clients/client19/web30/web/bitrix/modules/main/lib/db/mysqliconnection.php:82
#0: Bitrix\Main\DB\MysqliConnection->connectInternal
	/var/www/clients/client19/web30/web/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource
	/var/www/clients/client19/web30/web/bitrix/modules/main/classes/general/database.php:282
#2: CAllDatabase->DoConnect
	/var/www/clients/client19/web30/web/bitrix/modules/main/classes/mysql/database_mysqli.php:73
#3: CDatabase->ForSql
	/var/www/clients/client19/web30/web/bitrix/modules/main/classes/general/main.php:2495
#4: CAllMain::GetUserRight
	/var/www/clients/client19/web30/web/bitrix/modules/citrus.arealty/lib/helper.php:60
#5: Citrus\Arealty\Helper::showPanel
	/var/www/clients/client19/web30/web/bitrix/modules/main/classes/general/module.php:480
#6: ExecuteModuleEventEx
	/var/www/clients/client19/web30/web/bitrix/modules/main/include.php:458
#7: require_once(string)
	/var/www/clients/client19/web30/web/bitrix/modules/main/include/prolog_before.php:14
#8: require_once(string)
	/var/www/clients/client19/web30/web/bitrix/modules/main/include/prolog.php:10
#9: require_once(string)
	/var/www/clients/client19/web30/web/bitrix/header.php:1
#10: require(string)
	/var/www/clients/client19/web30/web/predlozhenija/index.php:2
#11: include_once(string)
	/var/www/clients/client19/web30/web/bitrix/modules/main/include/urlrewrite.php:160
#12: include_once(string)
	/var/www/clients/client19/web30/web/bitrix/urlrewrite.php:2