I'm new to Lightroom and just felt like I was getting organized and used to the program. I was in the Library mode trying to adjust some of the pictures in my folders when I hit the undo button. My entire collection went to hell. About 1/2 were eliminated from Lightroom and moved back to "My pictures", and not into folders. When I tried to import them back, Lightroom said they were in the library, but you couldn't see them. I them lumped all the loose pictures in "My pictures" into a folder and was able to import them. As I tried to move the imported pictures back to the original folders folders, different pictures moved. Some are now zoomed and I can't get the entire picture back. It's just one big mess. I guess I can narrow it down to two questions. What the heck did I do and can I undo the mess I made? I realize this is not well documented, but any direction you could send me would be appreciated.

