Internal Server Error when trying to post to the Football thread.

[PhoenixRising]

I keep trying to post to the Football thread, and this is what I get:

Internal Server Error

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

Please contact the server administrator, webmaster@newbeetle.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/2.0.63 (Unix) mod_ssl/2.0.63 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.9 Server at newbeetle.org Port 80

It happened the latest at 23:35 on Tuesday.

I can post otherwise. So what is up with this?