All Member Search Fatal MySQL Error

URL to your eFiction: http://jarlylove.com/fanfic/
Version of eFiction: 3.0
Version of PHP: 4.4.2
Version of MySQL: 5.0.16 I think. I looked at phpmyadmin and it said

MySQL client version: 5.0.16

Have you searched for your problem: Yes
If so, what terms did you try: Fatal MySQL Error, and I looked in every board (archived and non) with 3.0
Have you looked at the FAQs: I didn't see a 3.0 FAQ
State the nature of your problem:   I get this error when trying to click on a letter when viewing all members here:

http://jarlylove.com/fanfic/authors.php?action=list

A fatal MySQL error was encountered.
Query: SELECT count( stories.sid ) as stories, author.penname as penname, author.uid as uid FROM jarlylov_fanficfanfiction_authors as author LEFT JOIN jarlylov_fanficfanfiction_authorprefs AS ap ON author.uid = ap.uid LEFT JOIN jarlylov_fanficfanfiction_stories AS stories ON stories.validated > 0 WHERE (FIND_IN_SET(author.uid, stories.coauthors) > 0 OR stories.uid = author.uid) WHERE author.penname LIKE 'D%' GROUP BY author.uid ORDER BY author.penname LIMIT 0,40
Error: (1064) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE author.penname LIKE 'D%' GROUP BY author.uid ORDER BY author.penname LIMIT' at line 1