So, I was organizing and categorizing assets in my library when one entire folder inexplicably vanished. When I search for specific categories, those assets still show up in the sub-folders they were previously located but I can't get the main folder to reappear. I tried clearing my cache and logging in and out, switching between GM and player, to no avail. I'm using Windows 10, the latest version of Firefox, Avast anti-virus, Javascript is enabled, and the only active extension is an epub reader.