Hi, I also get that error:
isma@tornado:~/debian-handbook$ publican update_po --langs=es-ES publican.cfg Failed to load brand file: /usr/share/publican/Common_Content/debian/publican.cfg at /usr/bin/publican line 556 as Raphael says: isma@tornado:~/Downloads$ sudo dpkg -i publican-debian_0.2_all.deb Seleccionando el paquete publican-debian previamente no seleccionado. (Leyendo la base de datos ... 380596 ficheros o directorios instalados actualmente.) Desempaquetando publican-debian (de publican-debian_0.2_all.deb) ... Configurando publican-debian (0.2) ... isma@tornado:~$ cd debian-handbook/ isma@tornado:~/debian-handbook$ publican update_po --langs=es-ES publican.cfg Processing file pot/00a_preface.pot -> es-ES/00a_preface.po Processing file pot/00b_foreword.pot -> es-ES/00b_foreword.po Processing file pot/01_the-debian-project.pot -> es-ES/01_the-debian-project.po Processing file pot/02_case-study.pot -> es-ES/02_case-study.po Processing file pot/03_existing-setup.pot -> es-ES/03_existing-setup.po Processing file pot/04_installation.pot -> es-ES/04_installation.po Processing file pot/05_packaging-system.pot -> es-ES/05_packaging-system.po Processing file pot/06_apt.pot -> es-ES/06_apt.po Processing file pot/07_solving-problems.pot -> es-ES/07_solving-problems.po Processing file pot/08_basic-configuration.pot -> es-ES/08_basic-configuration.po Processing file pot/09_unix-services.pot -> es-ES/09_unix-services.po Processing file pot/10_network-infrastructure.pot -> es-ES/10_network-infrastructure.po Processing file pot/11_network-services.pot -> es-ES/11_network-services.po Processing file pot/12_advanced-administration.pot -> es-ES/12_advanced-administration.po Processing file pot/13_workstation.pot -> es-ES/13_workstation.po Processing file pot/14_security.pot -> es-ES/14_security.po Processing file pot/15_debian-packaging.pot -> es-ES/15_debian-packaging.po Processing file pot/70_conclusion.pot -> es-ES/70_conclusion.po Processing file pot/90_derivative-distributions.pot -> es-ES/90_derivative-distributions.po Processing file pot/92_short-remedial-course.pot -> es-ES/92_short-remedial-course.po Processing file pot/Author_Group.pot -> es-ES/Author_Group.po Processing file pot/Book_Info.pot -> es-ES/Book_Info.po Processing file pot/Revision_History.pot -> es-ES/Revision_History.po Processing file pot/debian-handbook.pot -> es-ES/debian-handbook.po isma@tornado:~/debian-handbook$ ls dblatex debian en-US epub es-ES pot publican.cfg Work! Thanks! Isma. / \