On Sun, 1 Jul 2001 10:13:14 -0300, Don Richard <[log in to unmask]> wrote:

>I also tried using a log00 filename. I was able to create, and update,
>stub files for each of the years 94-99 and 2001 but not 2000. I don't
>think I did anything differently. For the time being, I've named it
>log0001 as above.

This was fixed long ago.  Your build may not be recent.
What is the Build Date of your LISTSERV installation?
(Send the command SHOW LICENSE)  The Build Date is the last item.