Zotero not updating or adding citations after recent update

Opening a word document with zotero citations. Attempting to add a citation results in "Zotero experienced an error updating your document. Would you like to view troubleshooting instructions"

I clicked yes and followed 1-13. Nothing helped except #10 -- change the Citation Style. While I didn't check each style, they seemed to work except for my preferred style, Chicago (notes and bibliography).

Even a new, blank document in word suffers the same "Zotero experienced and error..." when adding a citation with that style.

If I edit a citation, Zotero allows it up to the point where I click the check, then a popup appears asking me to "Convert file from:" with a list of options. I tried this (on a backup of the file) and it still resorted to "Zotero experienced an error..."

the error report ID is 768696274
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