login page get blank

[saad_sinpk]

i am really sorry that i am posting thread again and again i am doing this because i am having many problem now new problem is that in 2.5 beta 3 after login page get blank when i check error this is error

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /includes/configure.php:1) in /includes/functions/sessions.php on line 101

Warning: Cannot modify header information - headers already sent by (output started at /includes/configure.php:1) in /includes/functions/general.php on line 38

waiting for reply

my correction
this problem is showing after login, then i go to main page and it show i am log in and log off is also showing blank

[saad_sinpk]

i notice that when i put new language then login, logout page get blank and when i remove that then it show properly why ?