Ошибка при установки Joomla 2.56

При установки выходит вот такая ошибка:

Warning: session_start() [function.session-start]: open(/tmp/sess_b46c096269e621887e64b4a0e81232df, O_RDWR) failed: No such file or directory (2) in /home/x22438/public_html/mego-kino.com/libraries/joomla/session/session.php on line 532

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/x22438/public_html/mego-kino.com/libraries/joomla/session/session.php:532) in /home/x22438/public_html/mego-kino.com/libraries/joomla/session/session.php on line 532

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/x22438/public_html/mego-kino.com/libraries/joomla/session/session.php:532) in /home/x22438/public_html/mego-kino.com/libraries/joomla/session/session.php on line 532

Папка tmp везде есть, может путь к ней не находит, но как тогда указать его...