error code to access one particular post..
 

when I want to reply or edit a post I get an error message.
Help!

I want to either 'reply' to the thread about Aewngus or post a new one and I get this message. But not on any other threads..I can post/edit on them. odd.. YEP!

Forbidden

You don't have permission to access /vbb/newreply.php on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

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