Cannot send session cache limiter - headers already sent

If you are getting an error which looks like :

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at
or an error which looks like this :

Cannot modify header information - headers already sent by (output started at
do the following:
Open php.ini from your php folder and change
output_buffering=off to output_buffering=4096
Then restart your Apache server.

The problem gets eliminated.

Posted in: php