[the_ace]

Originally Posted by Boofo

Try changing your hook location for your query to the postbit_display_complete.

Thanks! that did the trick! It works now.

For anyone interested Here's the plugin : (Admin CP -> Plugins & Products -> Plugin Manager -> Add New Plugin )
Product : Vbulletin
Hook Location : postbit_display_complete
Titile : Referrals in Postbit
Execution Order : 5
Plugin PHP code :

$usersid = $this->post['userid'];
	$refcount = mysql_query("SELECT username FROM " . TABLE_PREFIX . "user WHERE referrerid='$usersid'");
	$referrals = mysql_num_rows($refcount);
	$template_hook['postbit_userinfo_right_after_posts'] .= '<dt>Referrals</dt><dd> '.  $referrals.'</dd>';

Plugin is Active : yes

Like Boofo said, this adds a query for every post.