Archive not working

[MikesSite]

My archive is not working properly. Links are dead, hoping somebody can help.

My Archive

[lood2]

Check your SEO and modrewrite if any.

[MikesSite]

Still no good

[Steve Machol]

What did you chech exactly? This is either from some sort of redirect or an add-on.

[MikesSite]

It must be from Zoints SEO but I can't pinpoint the problem. This is the .htaccess file located in the /forums directory. My main page is located in the root directory, not the /forums dir.

IndexIgnore *

Options +FollowSymLinks
RewriteEngine On
RewriteRule ^$ index.php

RewriteRule (^[-_A-Za-z0-9\ ]*$) userpage.php?do=main&username=$1 

<IfModule mod_security.c>
   SecFilterEngine Off
   SecFilterScanPOST Off
</IfModule>
php_value upload_max_filesize 5M
<Files 403.shtml>
order allow,deny
allow from all
</Files>

RewriteEngine On
RewriteRule ^((urllist|sitemap).*\.(xml|txt)(\.gz)?)$ vbseo_sitemap/vbseo_getsitemap.php?sitemap=$1 [L]