Error! mysqli_connect()
[1040] Too many connections

Error! mysqli_connect()
[1040] Too many connections
[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (1040) Too many connections (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, NULL, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#2: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:358
#3: Bitrix\Main\DB\Connection->queryScalar(string)
	/home/bitrix/www/local/modules/rusklimat.b2c/lib/helpers/iblock/iblockentity.php:1454
#4: Rusklimat\B2c\Helpers\Iblock\Iblockentity->getList(array, array, boolean, boolean, array, string)
	/home/bitrix/www/local/modules/rusklimat.b2c/lib/helpers/main/tools.php:154
#5: Rusklimat\B2c\Helpers\Main\Tools::pageIsCategoryUmnyyDom()
	/home/bitrix/www/bitrix/modules/carrotquest.marketing/lib/carrotevents.php:59
#6: CarrotQuest\Marketing\CarrotEvents::onPageStart()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:490
#7: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:284
#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/catalog_inc/catalog.php:4
#12: require(string)
	/home/bitrix/www/maykop/catalog.php:2
#13: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#14: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2