php Warning: Cannot modify header information?

S

Saravanan

New member
Hi,
i create php page with session_start();
i have error like this..
any idea to remove...

anyone can explain you like this error occurs

Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\new-work\super\demo.php:1) in C:\xampp\htdocs\new-work\super\demo.php on line 20

thanks
 
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