WOW I thought my version was old, you will need to purchase an upgrade, I'll give you the link, but you more than likely know where it is also.
www.mtu.com
$15.00 us for an upgrade, but don't be too fast to get it, there is a new version due out later this week or next. Watch the threads for the release date. Version 3.217 I think, and it will take care of your new plex.
Jim