I had the same glitch, so I contacted customer support. Here is what they said to me:

Quote:
That is currently listed as a bug, and we are working on a solution as quickly as possible. I'm enclosing a link below on how to backup that savegame file so that your game will be preserved.

http://www.ldw.com/faq.php?game=14&platform=9&f=101&q=1222#answer

All of our updates are announced on our forums, and includes information on how to receive the update. You can find our forums at http://www.ldwforums.com.

I hope this helps! I also hope they fix it soon... I really would like to continue my game!