emacs with emacs-slime shows error "Don't know how to compile nil"

[Heinz Diehl]

On 01.01.2015, R Mercado wrote: 

> /usr/share/emacs/site-lisp/site-start.d/slime.el:Error: Don't know how
> to compile nil

I would try to update first, to the most recent version from MELPA.
You can do that from emacs with package-install.

http://common-lisp.net/project/slime/doc/html/Installation.html#Installation