After upgrading from LR5 to LRCC, I opened one of my catalogs and a folder of photos seems to have disappeared. They're not missing--it's as though there is no evidence of them having been in the catalog at all except for the watermarked exported photos in my LR Export folder. I have the original folder of the images, but I'm worried I lost all the editing. Should I go through the backup catalogs? How do I do that? More importantly, how will doing so affect new images I have added and edited since those backups? (Including photos added and edited before switching to LRCC?) I honestly can't remember if the folder in question was there the last time I used this catalog.