my forum is installed in a sub folder and i has pasted the default .htaccess in that sub folder generated by phpBB SEO Ultimate SEO URL. when i am activating the Activate URL rewriting then it gives me error:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, firstname.lastname@example.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 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
But when i deactivate the Activate URL rewriting then it is working alright.
Can anyone tell me what is the mistake i am doing??