还没到登录页面的时候报 function.session-start() 错误

打开首页还没到登录页面的时候报错



我开了my.ini 的debug = true

页面出错内容：

Warning: Cannot modify header information - headers already sent by (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsframeworkrouter.class.php on line 683



Warning: Cannot modify header information - headers already sent by (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsframeworkrouter.class.php on line 733



Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsmodulecommoncontrol.php on line 35



Warning: Cannot modify header information - headers already sent by (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsmodulecommoncontrol.php on line 417



Warning: Cannot modify header information - headers already sent by (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsmodulecommoncontrol.php on line 418



Warning: Cannot modify header information - headers already sent by (output started at D:MYOAwebrootzentaopmsconfigmy.php:1) in D:MYOAwebrootzentaopmsframeworkcontrol.class.php on line 468



apache log：[Mon Jun 07 18:10:11 2010] [error] [client 192.168.1.18] File does not exist: D:/MYOA/webroot/zentaopms/www/function.session-start, referer: http://192.168.1.2/zentaopms/www/



请问是什么原因？