Hi Bastien: I just had the same thought, and found that it appears in a package I load called popup. Uninstalling this package allows org-html-htmlize-generate-css to run to completion (though this seems a bit of a heavy-handed way to get it to run!)
Best, Richard On 3/4/13 9:48 AM, "Bastien" <b...@altern.org> wrote: >Hi Richard, > >Richard Stanton <stan...@haas.berkeley.edu> writes: > >> Thanks for the suggestion, Eric. Following the instructions, I fired >> up Emacs, loaded files of various types, then ran the command >> >> org-html-htmlize-generate-css >> >> Unfortunately, this resulted in an error dump: >> >> Debugger entered--Lisp error: (error "Invalid face" >> popup-mouse-face) > >I don't see any trace of popup-mouse-face in Emacs or in Org, >so my guess is that it must come from a downloaded package? > >Just a shot in the dark, of course. > >HTH, > >-- > Bastien