The biblatex release notes recommend to setup backend=biber in biblatex.cfg, however LaTeX refuses to accept this text in biblatex.cfg:


LaTeX says, "The package biblatex has already been loaded with options..."

How to set up backend parameter in here properly?


Load biblatex in your main document using \usepackage[<options>]{biblatex}. Your configuration file biblatex.cfg should look as follows:


UPDATE: As Jonathan has hinted, with biblatex v2.0 (released July 2012) backend has become a loadtime option, so it is not possible anymore to select the backend engine (biber, BibTeX etc.) via \ExecuteBibliographyOptions. Also note that biber (not BibTeX) is now the default backend.

  • You beat me by two minutes. :) – egreg Sep 1 '11 at 11:28
  • @egreg: I know that feeling. ;-) – lockstep Sep 1 '11 at 11:28
  • Unfortunately it doesn't work anymore! At least in v2.2 backend is a loadtime option, so this produces an error. – Jonathan Aug 23 '12 at 9:46

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