[Bitrix\Main\DB\ConnectionException] 
Mysql connect error [10.0.255.150:3306]: (1040) Too many connections (400)
/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/lib/db/mysqliconnection.php:82
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/lib/data/connection.php:53
#1: Bitrix\Main\Data\Connection->getResource()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/database.php:282
#2: CAllDatabase->DoConnect()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/mysql/database_mysqli.php:73
#3: CDatabase->ForSql(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/iblock/classes/general/iblock.php:2446
#4: CAllIBlock::FilterCreateEx(string, array, string, boolean, string, boolean)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/iblock/classes/general/iblock.php:2360
#5: CAllIBlock::FilterCreate(string, string, string, string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/iblock/classes/mysql/iblock.php:23
#6: CIBlock::GetList(array, array)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/components/bitrix/news.list/component.php:174
#7: include(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:605
#8: CBitrixComponent->__includeComponent()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:682
#9: CBitrixComponent->includeComponent(string, array, object, boolean)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/main.php:1068
#10: CAllMain->IncludeComponent(string, string, array, object)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/templates/bloknot/components/bitrix/news/news_themes/news.php:78
#11: include(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component_template.php:790
#12: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component_template.php:885
#13: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:766
#14: CBitrixComponent->showComponentTemplate()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:714
#15: CBitrixComponent->includeComponentTemplate(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/components/bitrix/news/component.php:216
#16: include(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:605
#17: CBitrixComponent->__includeComponent()
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/component.php:682
#18: CBitrixComponent->includeComponent(string, array, NULL, boolean)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/classes/general/main.php:1068
#19: CAllMain->IncludeComponent(string, string, array)
	/home/sites/demo.bloknot-volgodonsk.ru/www/themes/index.php:107
#20: include_once(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/modules/main/include/urlrewrite.php:160
#21: include_once(string)
	/home/sites/demo.bloknot-volgodonsk.ru/www/bitrix/urlrewrite.php:2