[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost, 127.0.0.1]: Too many connections (400)
/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/db/mysqlconnection.php:50
#0: Bitrix\Main\DB\MysqlConnection->connectInternal()
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/db/mysqlconnection.php:103
#1: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/db/connection.php:329
#2: Bitrix\Main\DB\Connection->query(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/modulemanager.php:20
#3: Bitrix\Main\ModuleManager::getInstalledModules()
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/loader.php:77
#4: Bitrix\Main\Loader::includeModule(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/data/connectionpool.php:308
#5: Bitrix\Main\Data\ConnectionPool->createSlaveConnection()
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/data/connectionpool.php:247
#6: Bitrix\Main\Data\ConnectionPool->getSlaveConnection(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/db/connection.php:317
#7: Bitrix\Main\DB\Connection->query(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/modulemanager.php:20
#8: Bitrix\Main\ModuleManager::getInstalledModules()
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/lib/loader.php:77
#9: Bitrix\Main\Loader::includeModule(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/classes/general/module.php:261
#10: CModule::IncludeModule(string)
	/home/webmaster/www/20160802.keng.ru/local/php_interface/include/set_price_code_by_cookie.php:30
#11: require_once(string)
	/home/webmaster/www/20160802.keng.ru/local/php_interface/init.php:112
#12: include_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/include.php:234
#13: require_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/include/prolog_before.php:14
#14: require_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/include/prolog.php:10
#15: require_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/header.php:1
#16: require(string)
	/home/webmaster/www/20160802.keng.ru/catalog/index.php:3
#17: include_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
	/home/webmaster/www/20160802.keng.ru/bitrix/urlrewrite.php:2