On Thu, 5 Jul 2001, Haase, Peter wrote:

> Currently I have a problem with one of the weekly archives accessed via the
> web archives. Our server froze earlier this week and needed to be rebooted.
> Since then the latest archive file for one of our lists shows this message
> when clicking on the weekly link.
>
> Error - invalid index file
> The format of the index file is invalid. Please try again in about 30
> seconds, and report the problem
> if it persists for more than a few minutes.

Delete the index file for that notebook. Then get the list's header and
put it back again. This should cause a new index file to be generated for
that particular notebook.