Every time it is closed and opened, do nothing changed, an error in the sqlite database will be displayed, and it will automatically recover. Actually it doesn't matter much.
Deep-level directories and files will break zotero because they are synchronized when uesed . zetero can no longer select this folder.
I advice to add the button to setting full synchronize and stop synchronize.
I advice to add the button to setting full synchronize and stop synchronize.