[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost, 127.0.0.1]: Too many connections (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:43
#0: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:91
#1: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:321
#2: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/modulemanager.php:20
#3: Bitrix\Main\ModuleManager::getInstalledModules()
	/home/bitrix/www/bitrix/modules/main/lib/loader.php:77
#4: Bitrix\Main\Loader::includeModule(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:261
#5: CModule::IncludeModule(string)
	/home/bitrix/www/bitrix/php_interface/custom_prop/prop_html.php:6
#6: require_once(string)
	/home/bitrix/www/bitrix/php_interface/init.php:341
#7: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include.php:1
#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:36
#11: require(string)
	/home/bitrix/www/clients/lichnyy-kabinet.php:2