Comments

• I ran into the same error today (~1400 bib entries). Closing Zotero, deleting better-bibtex.sqlite and better-bibtex-search.sqlite in the Zotero/ folder did the trick. On zotero reopening, the citation keys were automatically re-generated.

  in How to update all BibTex citation keys at once? Comment by cluzetb August 11, 2023