unable to post on 5 aside forum

I'm getting folowing message when I try and post on 5 aside forum

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster@readytogo.net 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

Originally Posted by JARRABRANCHSAFCSA

I'm getting folowing message when I try and post on 5 aside forum

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster@readytogo.net 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

I worked out why I couldn't post M***y P****n must be a banned phrase I changed it to John Cleese and it worked

[RTGAdmin]

How odd, at a guess its something to do with "python" and the security stuff on the server is cutting in thinking you are trying to run a script in the server written in Python!