Internal Server Error

[ace_sahil]

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, webmaster@mastiexpress.org and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/1.3.37 Server at www.mastiexpress.org Port 80

And this is what i am getting in error log.
Premature end of script headers: /home/mastiexp/public_html/forums/index.php

My forum in not working pls help me..

[akulion]

Backup your original index.php
and then replace the one on your server with a fresh one from the SMF package

if that dosent fix, also post on SMF site and they may be able to shed more light on this

[ace_sahil]

hey thnx a lot it solved my problem