An error occured when I log in my zotero, so I post this discussion to find out what is wrong and look for possible solution. When I accessed my Zotero, I found that all the highlights and notes I had made recently were missing. This error has occurred more than three times. I have tried several methods to resolve the issue, including checking my laptop's recycle bin as well as the Zotero folder, but I was unable to find the file containing the latest data. This problem has been troubling me for quite some time, and I would greatly appreciate it if a solution could be found.