Maybe a new default has been setup? I recall a recent discussion about sly. Maybe try setting this to your lisp?
(setq inferior-lisp-program "/usr/local/bin/sbcl") I am not sure if you also need this: (require 'slime) (slime-setup) (slime) I only have a little experience with other lisps. Colin Baxter writes: > Common Lisp in babel steems to have stopped working. With slime running and > (lisp . t) in my emacs init, I now get the error > > org-babel-execute:lisp: Cannot open load file: No such file or directory, sly > > when I C-cc > > #+name: hello-world > #+header: :var message="Hello World!" :exports both > #+begin_src lisp > (princ message) > #+end_src > > In the past, it worked. I thought either slime or sly were needed. > > I'm using org version release_8.3.4-718-g634e12.dirty and GNU Emacs 25.1.50.1. -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu