[Error] 
Call to undefined function mysql_connect() (0)
/var/www/vhosts/new.deloks.ru/bitrix/modules/main/classes/mysql/database_mysql.php:19
#0: CDatabase->ConnectInternal()
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/classes/general/database.php:215
#1: CAllDatabase->DoConnect(string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/classes/mysql/database.php:76
#2: CDatabaseMysql->Connect(string, string, string, string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/start.php:227
#3: require_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/include.php:10
#4: require_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/include/prolog_before.php:14
#5: require_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/include/prolog.php:10
#6: require_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/header.php:69
#7: require(string)
	/var/www/vhosts/new.deloks.ru/katalog/index.php:3
#8: include_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/modules/main/include/urlrewrite.php:159
#9: include_once(string)
	/var/www/vhosts/new.deloks.ru/bitrix/urlrewrite.php:2