It's saved often, but as the issue wasn't discovered until recently and given the nature of the issue (glitch in the game creator) it wouldn't have helped.
We can work around with a manually copy/paste code out and start again, the problem is if we add more to the item list later, it will break again :( So while we have a work around have to hear from some pros how to fix permanently - just a pain! but will get there.
Thanks for the continued support, following along and showing interest. Cheers