All of my folders in my Lightroom 4.3 catalog vanished, though you can still see the folder/file structure when using my Mac Finder. So clearly the folder structure exists, but the program can no longer view them or reads them.
I have right clicked on catalog and none of the choices return the tree view of my folders. I did back up my catalog last time I used Lightroom (it and the ircat and ircat alias files are on an external drive) to another external drive. Any ideas how to return all my folders that apparently are not viewable? Might the Carbon Copy Cloner software I used (recommended as being good for Lightroom 4.3 by several) have messed up the folder view. Seems VERY implausible, but possible. Thanks.