Hello, I recently realized that the libraries on my different computers were out of sync. some of the items are on one computer, and not the other, and some are on the local files but do not get uploaded properly when I attempt to sync. I had been using an outdated version of zotero on one of the computers, so that might be a source of corruption, but i updated the version fully and it didn't help. I also cleared the sync history and that also didn't help anything; syncs are still not being correctly updated. If possible I would like to merge these out-of-sync libraries without losing any items that are in one but not the other. please help!
Debug ID for attempting to sync on old computer most out of sync is D1107574241.
Debug ID for attempting to sync with newer computer is D135374526.

Please let me know if there's any additional info i can provide to help. I depend on zotero for my work as a graduate student and realizing that items weren't properly transferring has got me really anxious. thanks in advance.