Zotero Google Docs plug-in stopped working

I am working with Zotero in Google docs and Nature style citation (i.e., only numbers). It has been extremely problematic with the constant unlinking, but I am afraid I may have just lost all my citations (sorry for the tone, but it is very frustrating)

The doc froze while adding a citation and I had to force it shut. Now, the Zotero plug-in does not connect, any Zotero function that I click just opens a menu to add hyperlinks from the document as well as within my Google Drive but does not communicate with Zotero at all. Has this happened to anyone? If so, how can I re-connect Zotero? Is there any hope for all the citations?

Thank you,
Pablo
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