geschenkeliste Fehler

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /www/htdocs/w005ec81/geschenkeliste/index.php:6) in /www/htdocs/w005ec81/geschenkeliste/index.php on line 12

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /www/htdocs/w005ec81/geschenkeliste/index.php:6) in /www/htdocs/w005ec81/geschenkeliste/index.php on line 12

Warning: opendir(/geschenkeliste/....) [function.opendir]: failed to open dir: No such file or directory in /www/htdocs/w005ec81/geschenkeliste/core.php on line 42

Warning: readdir(): supplied argument is not a valid Directory resource in /www/htdocs/w005ec81/geschenkeliste/core.php on line 43

Warning: closedir(): supplied argument is not a valid Directory resource in /www/htdocs/w005ec81/geschenkeliste/core.php on line 58

Fatal error: Class 'DBUtil' not found in /www/htdocs/w005ec81/geschenkeliste/core.php on line 75