Find this code in FORUMHOME template:
Code:
<if condition="$vboptions['forumleaders']">
<a href="showgroups.php$session[sessionurl_q]" rel="nofollow">$vbphrase[view_forum_leaders]</a></if>
Replace it with:
Code:
<if condition="$show['member']">
<if condition="$vboptions['forumleaders']">
<a href="showgroups.php$session[sessionurl_q]" rel="nofollow">$vbphrase[view_forum_leaders]</a></if>
</if>