[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (1040) Too many connections (400)
/home/bitrix/www/repository/core/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/bitrix/www/repository/core/bitrix/modules/main/lib/db/mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/repository/core/bitrix/modules/main/lib/db/connection.php:329
#2: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/repository/core/bitrix/modules/main/lib/entity/query.php:1924
#3: Bitrix\Main\Entity\Query->query(string)
	/home/bitrix/www/repository/core/bitrix/modules/main/lib/entity/query.php:505
#4: Bitrix\Main\Entity\Query->exec()
	/home/bitrix/www/repository/core/bitrix/modules/main/lib/entity/datamanager.php:256
#5: Bitrix\Main\Entity\DataManager::getList(array)
	/home/bitrix/www/repository/core/bitrix/modules/sale/lib/fuser.php:124
#6: Bitrix\Sale\Fuser::getUserIdById(integer)
	/home/bitrix/www/repository/core/local/classes/shop/basket.php:33
#7: Shop\Basket::init()
	/home/bitrix/www/repository/core/local/php_interface/handlers.php:204
#8: generateGlobalData()
	/home/bitrix/www/repository/core/bitrix/modules/main/classes/general/module.php:475
#9: ExecuteModuleEventEx(array)
	/home/bitrix/www/repository/core/bitrix/modules/main/include.php:553
#10: require_once(string)
	/home/bitrix/www/repository/core/bitrix/modules/main/include/prolog_before.php:14
#11: require_once(string)
	/home/bitrix/www/repository/core/bitrix/modules/main/include/prolog.php:10
#12: require_once(string)
	/home/bitrix/www/repository/core/bitrix/header.php:1
#13: require(string)
	/home/bitrix/www/repository/lenovo/catalog/index.php:5
#14: include_once(string)
	/home/bitrix/www/repository/core/bitrix/modules/main/include/urlrewrite.php:159
#15: include_once(string)
	/home/bitrix/www/repository/core/bitrix/urlrewrite.php:2