Archive Server Error

[Carmel]

I am/was attempting to search the archive located at:
http://lists.freebsd.org/pipermail/freebsd-questions/

Unfortunately, I am continually greeted with this error message:

<quote>

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

Please contact the server administrator, www at freebsd.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.

</quote>

Is this a known problem or am I just doing something stupid?