Ciao a tutti, se lancio index.php mi ritorna questo errore:

Notice: Undefined index: sid in d:\programmi\easyphp1-8\www\cms\lib\session.php on line 33

Notice: Undefined index: PHPSESSID in d:\programmi\easyphp1-8\www\cms\lib\session.php on line 36

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at d:\programmi\easyphp1-8\www\cms\lib\session.php:33) in d:\programmi\easyphp1-8\www\cms\lib\session.php on line 41

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at d:\programmi\easyphp1-8\www\cms\lib\session.php:33) in d:\programmi\easyphp1-8\www\cms\lib\session.php on line 41

Notice: Undefined index: cms_userid in d:\programmi\easyphp1-8\www\cms\lib\session.php on line 43

Notice: Undefined index: pk in d:\programmi\easyphp1-8\www\cms\index.php on line 59

Notice: Undefined index: pageid in d:\programmi\easyphp1-8\www\cms\index.php on line 65

Warning: mysql_connect(): Accesso non consentito per l'utente: 'fabio'@'localhost' (Password: NO) in d:\programmi\easyphp1-8\www\cms\lib\database.php on line 45

Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in d:\programmi\easyphp1-8\www\cms\lib\database.php on line 46

Fatal error: Call to undefined function: show_error() in d:\programmi\easyphp1-8\www\cms\lib\database.php on line 48

Non riesco a capire qual'è il problema.
Grazie.