Ok, you can fix the error by replacing this:
PHP Code:
global $thread, $post, $forum, $event, $gotforum, $hideprivateforums, $bbuserinfo, $timeformat, $enableemail, $enablepms, $bbtitle, $usergroupdef, $numberguests;
with this:
PHP Code:
global $DB_site, $thread, $post, $forum, $event, $gotforum, $hideprivateforums, $bbuserinfo, $timeformat, $enableemail, $enablepms, $bbtitle, $usergroupdef, $numberguests;
Warlord: are you sure you replaced all the bits of code?