RC7 Dateimanager häufiger Fehler 500 Fehler

[Mysterious]

/var/log/apache2/users/default-error.log

Code:

[Thu Feb 12 10:51:59 2009] [notice] mod_fcgid: call /var/www/ispcp/gui/index.php with wrapper /var/www/fcgi/master/php5-fcgi-starter
[Thu Feb 12 10:51:59 2009] [notice] mod_fcgid: server /var/www/ispcp/gui/index.php(30912) started
[Thu Feb 12 10:52:50 2009] [error] [client 91.89.113.22] Premature end of script headers: index.php, referer: http://admin.hostingdomain.de/tools/filemanager/
[Thu Feb 12 10:52:51 2009] [error] [client ::1] File does not exist: /htdocs
[Thu Feb 12 10:52:56 2009] [notice] mod_fcgid: process 30912 going graceful shutdown, sending SIGTERM
[Thu Feb 12 10:53:02 2009] [notice] mod_fcgid: process /var/www/ispcp/gui/tools/filemanager/index.php(30912) exit(communication error), terminated by calling exit(), return code: 0

/var/log/apache/users/hostingdomin.de-error.log
Keine Einträge...

ICh habe eben auch mal auf die fastcgi version libapache2-mod-fastcgi_2.4.7_amd64 aktualisiert da ich von Problemen mit der 2.4.2 Version von Debian etch gelesen habe. Leider ohne Erfolg.