have tried the default rewrite rules
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^forum/([^/]+)/page/([0-9]+)/?$ /forum.php?id=$1&page=$2 [L,QSA]
RewriteRule ^forum/([^/]+)/?$ /forum.php?id=$1 [L,QSA]
RewriteRule ^people/([^/]+)/page/([0-9]+)/?$ /topic.php?id=$1&page=$2 [L,QSA]
RewriteRule ^people/([^/]+)/?$ /topic.php?id=$1 [L,QSA]
RewriteRule ^location/([^/]+)/page/([0-9]+)/?$ /tags.php?tag=$1&page=$2 [L,QSA]
RewriteRule ^location/([^/]+)/?$ /tags.php?tag=$1 [L,QSA]
RewriteRule ^location/?$ /tags.php [L,QSA]
RewriteRule ^profile/([^/]+)/page/([0-9]+)/?$ /profile.php?id=$1&page=$2 [L,QSA]
RewriteRule ^profile/([^/]+)/([^/]+)/?$ /profile.php?id=$1&tab=$2 [L,QSA]
RewriteRule ^profile/([^/]+)/([^/]+)/page/([0-9]+)/?$ /profile.php?id=$1&tab=$2&page=$3 [L,QSA]
RewriteRule ^profile/([^/]+)/?$ /profile.php?id=$1 [L,QSA]
RewriteRule ^view/([^/]+)/page/([0-9]+)/?$ /view.php?view=$1&page=$2 [L,QSA]
RewriteRule ^view/([^/]+)/?$ /view.php?view=$1 [L,QSA]
RewriteRule ^rss/?$ /rss.php [L,QSA]
RewriteRule ^rss/forum/([^/]+)/?$ /rss.php?forum=$1 [L,QSA]
RewriteRule ^rss/people/([^/]+)/?$ /rss.php?topic=$1 [L,QSA]
RewriteRule ^rss/tags/([^/]+)/?$ /rss.php?tag=$1 [L,QSA]
RewriteRule ^rss/profile/([^/]+)/?$ /rss.php?profile=$1 [L,QSA]
</IfModule>
