[mysqli_sql_exception] 
Too many connections (1040)
/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/db/mysqliconnection.php:77
#0: mysqli->real_connect
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/db/mysqliconnection.php:77
#1: Bitrix\Main\DB\MysqliConnection->connectInternal
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/db/mysqliconnection.php:128
#2: Bitrix\Main\DB\MysqliConnection->queryInternal
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/db/connection.php:327
#3: Bitrix\Main\DB\Connection->query
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/db/connection.php:355
#4: Bitrix\Main\DB\Connection->queryScalar
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/session/handlers/table/usersessiontable.php:116
#5: Bitrix\Main\Session\Handlers\Table\UserSessionTable::lock
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/session/handlers/databasesessionhandler.php:50
#6: Bitrix\Main\Session\Handlers\DatabaseSessionHandler->lock
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/session/handlers/abstractsessionhandler.php:54
#7: Bitrix\Main\Session\Handlers\AbstractSessionHandler->read
	
#8: session_start
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/session/session.php:162
#9: Bitrix\Main\Session\Session->start
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/lib/session/kernelsessionproxy.php:47
#10: Bitrix\Main\Session\KernelSessionProxy->start
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/include.php:155
#11: require_once(string)
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/include/prolog_before.php:14
#12: require_once(string)
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/include/prolog.php:10
#13: require_once(string)
	/var/www/www-root/data/www/bcentr.by/bitrix/header.php:1
#14: require(string)
	/var/www/www-root/data/www/bcentr.by/catalog/index.php:2
#15: include_once(string)
	/var/www/www-root/data/www/bcentr.by/bitrix/modules/main/include/urlrewrite.php:184
#16: include_once(string)
	/var/www/www-root/data/www/bcentr.by/bitrix/urlrewrite.php:2
----------