This means the biblio package is not installed for some reason. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Mon, Jul 20, 2020 at 9:10 AM Johannes Brauer wrote: > Hi! > After having upgraded my packages I can activate org-ref anymore. > (require 'org-ref) results in the error message: > File error: Cannot open load file, No such file or directory, biblio > > Any hints what is going wrong? > > I am using > org-ref-20200710.1516 > Aquamacs 3.5 GNU Emacs 25.3.50.1 (x86_64-apple-darwin16.7.0 > macOs 10.15.6 > > Johannes > > >