Hiya Desii ^.^
You will need to update your kitties and because they are from 2011 you might have to make a ticket to get the latest versions because they are so old. The updater might not work on such old cats but if you make a ticket to KittycatS (click support tab at top of here then make ticket submitting all kitty ID numbers) this could work.
Returning - Are my Cats still there?
