PROBLEM z joomla

wrzucilam na ftp pliki joomli moja str to www.centrum24.boo.pl po wejsciu na str wyskakuje Warning: require_once(../includes/version.php) [function.require-once]: failed to open stream: No such file or directory in /home/accounts_l/lorek/public_html/installation/index.php on line 23 Fatal error: require_once() [function.require]: Failed opening required '../includes/version.php' (include_path='.:/usr/share/pear:/usr/share/php') in /home/accounts_l/lorek/public_html/installation/index.php on line 23 prosze o pomoc jak zainstalowac to :(