calibre

  1. Bug #1363028
  2. Comment #2

Comment 2 for bug 1363028

Revision history for this message
Kovid Goyal (kovid) wrote : Re: calibre bug 1363028

That error indicates one of the CSS files in that book is
corrupted/empty. Try running the Check Book tool that should point you
to the problem. Once you fix it, replace fonts will work.

 status invalid