[Bitrix\Main\DB\ConnectionException]
Mysql connect error [localhost]: (1040) Too many connections (400)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/db/mysqliconnection.php:88
#0: Bitrix\Main\DB\MysqliConnection->connectInternal()
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/db/mysqliconnection.php:135
#1: Bitrix\Main\DB\MysqliConnection->queryInternal(string, NULL, NULL)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/db/connection.php:327
#2: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/db/connection.php:355
#3: Bitrix\Main\DB\Connection->queryScalar(string)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/session/handlers/table/usersessiontable.php:116
#4: Bitrix\Main\Session\Handlers\Table\UserSessionTable::lock(string)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/session/handlers/databasesessionhandler.php:50
#5: Bitrix\Main\Session\Handlers\DatabaseSessionHandler->lock(string)
/var/www/www-root/data/www/pro-com.ru/bitrix/modules/main/lib/session/handlers/abstractsessionhandler.php:54
#6: Bitrix\Main\Session\Handlers\AbstractSessionHandler->read(string)