Disappearing Scapple!

Really weird thing has just happened to me and I do not know why, it probably is not a Scapple problem but you never know. I had a folder in my Documents for Scapple stuff which had anything to do with Scapple and some 4 or 5 “Scapples”. I then indexed them in DevonThink ProOffice. On start up this morning the application Scapple had disappeared completely together with the contents of the folder in my Documents :cry: All my stuff was lost. Why this should happen I have no idea, very curious indeed. I have had to reinstall Scapple, but as I have back up I could retrieve the Scapples.