Warning! Don't Let This Happen to You!
See this discussion for background.
It now seems clear that there is a random bug that accidentally deletes folders and puts them in Trash -- and then may give you a warning message from a new feature, called "Warning: Your Trash is Overflowing". If you then flush the trash, you will never get back folders that in fact you may not have intended to delete at all. It's random.
I and a few others have fallen victim to this and we really would like to see action from Linden Lab on it, but
Bumping this again as it isn't fixed. Folders are still ending up in VERY odd places for me (that's another thread) and just now I found that my favorite (hides neck seams with mesh head and not perfectly matched skin) chocker (yes, spelled that way) is missing. I have the exact name and I knew the maker. It is nowhere to be found. I had it at the beginning of the month as I featured it in a blog photo.
Other things missing too so not much is changing -- for some of us anyway. Put in a
