all of my files that were sorted have become unfiled.
When I went to use Zotero today I found out all of my collections have been deleted and the files have instead been placed in the single "my library" folder. Im writing my MA thesis so everything has been meticulously organized and if I can't fix this im looking at hours and hours of extra work. I haven't touched Zotero so I don't even know what would make this happen. Any help would be welcomed.
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Turn off automatic sync. If you have synced, check if the collections are still online. Try restarting Zotero.
It's very unlikely that collection data just disappears. My bet would be on a display issue.