[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [localhost:31006]: (1040) Too many connections (400)
C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\db\mysqliconnection.php:65
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\db\mysqliconnection.php:122
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\db\connection.php:329
#2: Bitrix\Main\DB\Connection->query(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\entity\query.php:1924
#3: Bitrix\Main\Entity\Query->query(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\entity\query.php:505
#4: Bitrix\Main\Entity\Query->exec()
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\entity\datamanager.php:255
#5: Bitrix\Main\Entity\DataManager::getList(array)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\entity\datamanager.php:133
#6: Bitrix\Main\Entity\DataManager::getByPrimary(integer)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\lib\entity\datamanager.php:144
#7: Bitrix\Main\Entity\DataManager::getById(integer)
	C:\OpenServer\domains\dpo-smolensk.ru\local\php_interface\init.php:464
#8: include_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\include.php:247
#9: require_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\include\prolog_before.php:14
#10: require_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\include\prolog.php:10
#11: require_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\header.php:1
#12: require(string)
	C:\OpenServer\domains\dpo-smolensk.ru\konkurs-new\news\index.php:2
#13: include_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\bitrix\modules\main\include\urlrewrite.php:159
#14: include_once(string)
	C:\OpenServer\domains\dpo-smolensk.ru\404.php:2