Mysql connect error [127.0.0.1:9306]: (1040) Too many connections

Bitrix\Main\DB\ConnectionException: Mysql connect error [127.0.0.1:9306]: (1040) Too many connections in /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php:85
Stack trace:
#0 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/lib/data/connection.php(53): Bitrix\Main\DB\MysqliConnection->connectInternal()
#1 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/lib/db/mysqlisqlhelper.php(401): Bitrix\Main\Data\Connection->getResource()
#2 /var/www/vsekroham/data/www/vsekroham.ru/src/backend/Infrastructure/Sphinx/Orm/SphinxTableTrait.php(29): Bitrix\Main\DB\MysqliSqlHelper->forSql('replicas')
#3 /var/www/vsekroham/data/www/vsekroham.ru/src/backend/Model/SeoPage/Service/RequestUrlResolver.php(117): Vsekroham\Entity\Orm\Sphinx\ReplicasTable::getMap()
#4 /var/www/vsekroham/data/www/vsekroham.ru/src/backend/Model/SeoPage/Service/RequestUrlResolver.php(43): App\Model\SeoPage\Service\RequestUrlResolver->getAvailableFilterFields()
#5 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/local/components/page/catalog.section/class.php(113): App\Model\SeoPage\Service\RequestUrlResolver->getSeoPageByUrl('/catalog/detski...')
#6 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/local/components/page/catalog.section/class.php(69): Page\Components\CatalogSection->resolveUrl()
#7 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/bex.bbc/lib/basis.php(102): Page\Components\CatalogSection->executeMain()
#8 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/bex.bbc/lib/basis.php(127): Bex\Bbc\Basis->executeBasis()
#9 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/classes/general/component.php(660): Bex\Bbc\Basis->executeComponent()
#10 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/classes/general/main.php(1072): CBitrixComponent->includeComponent('', Array, NULL, false)
#11 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/index.php(16): CAllMain->IncludeComponent('page:catalog.se...', '', Array)
#12 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/modules/main/include/urlrewrite.php(184): include_once('/var/www/vsekro...')
#13 /var/www/vsekroham/data/www/vsekroham.ru/htdocs/bitrix/urlrewrite.php(2): include_once('/var/www/vsekro...')
#14 {main}