Fehlermeldung

[Tim]

kann mir jemand sagen was das bedeutet?

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /users/tim/www/1/index.php:8) in /users/tim/www/1/bestell1send.php on line 4

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /users/tim/www/1/index.php:8) in /users/tim/www/1/bestell1send.php on line 4

danke mfg Tim