[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost]: (1040) Too many connections (400)
/home/bitrix/startup.network/bitrix/modules/main/lib/db/mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/bitrix/startup.network/bitrix/modules/main/lib/db/mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/startup.network/bitrix/modules/main/lib/db/connection.php:330
#2: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/startup.network/bitrix/modules/main/lib/eventmanager.php:242
#3: Bitrix\Main\EventManager->loadEventHandlers()
	/home/bitrix/startup.network/bitrix/modules/main/lib/eventmanager.php:340
#4: Bitrix\Main\EventManager->findEventHandlers(string, string)
	/home/bitrix/startup.network/bitrix/modules/main/classes/general/module.php:340
#5: GetModuleEvents(string, string, boolean)
	/home/bitrix/startup.network/bitrix/modules/main/classes/general/usertype.php:935
#6: CUserTypeManager->GetUserType(string)
	/home/bitrix/startup.network/bitrix/modules/main/classes/general/usertype.php:1046
#7: CUserTypeManager->GetUserFields(string)
	/home/bitrix/startup.network/bitrix/modules/main/classes/general/usertype.php:3029
#8: CUserTypeSQL->SetEntity(string, string)
	/home/bitrix/startup.network/bitrix/modules/iblock/classes/mysql/iblocksection.php:30
#9: CIBlockSection::GetList(array, array, boolean, array)
	/home/bitrix/startup.network/local/php_interface/settings.php:21
#10: getSitesCountries()
	/home/bitrix/startup.network/local/php_interface/settings.php:4
#11: require_once(string)
	/home/bitrix/startup.network/local/php_interface/init.php:200
#12: include_once(string)
	/home/bitrix/startup.network/bitrix/modules/main/include.php:234
#13: require_once(string)
	/home/bitrix/startup.network/bitrix/modules/main/include/prolog_before.php:14
#14: require_once(string)
	/home/bitrix/startup.network/bitrix/modules/main/include/prolog.php:10
#15: require_once(string)
	/home/bitrix/startup.network/bitrix/header.php:1
#16: require(string)
	/home/bitrix/startup.ua/startups/index.php:2
#17: include_once(string)
	/home/bitrix/startup.network/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
	/home/bitrix/startup.network/bitrix/urlrewrite.php:2