Dear All: When I do *org-publish-project* command, the error message occurs like this: >>>>Symbol' function definition is void: org-export-as-html I just update my org-mode to the newest using:* package-install org .* My *.emacs *file is very simple: ------------------------------ (add-to-list 'load-path "~/.emacs.d/lisp") ;(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp") (require 'color-theme ) (color-theme-initialize) (color-theme-arjen) ;set the souce code block to highlight. ;(setq org-src-frontify-natively ;(require 'org-install) ------------------------------ Also my publish setup is quite simple as in the manual: **************************************************************************************************************** ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ **************************************************************************************************************** This still seems is an version conflict problem, but I am not sure. The thing is before upgrading, I can use org-mode 7.9.3f which is the emacs 24.3 default version. Regards, Ming