How do I fix this Header Problem ?

[eluser]CroNiX[/eluser]
Well, your code is producing a PHP error somewhere else, which gets sent to the screen as output before your controller has finished running.

The actual error isn't 'in' Exceptions.php. The error is happening in your code and when the error gets triggered CI calls the Exceptions class to output it. It's just the symptom, not the cause.

This would be very quick to track down if you ran a debug_backtrace() on it so you can see what error is triggering the Exceptions class. If you have a stepping debugger, it would take about 3 minutes to step through that code and see where the error is getting triggered.