I did an issue at https://github.com/ljos/ob-prolog.

On Wed, Jan 25, 2017 at 9:38 PM, Thomas S. Dye <tsd@tsdye.com> wrote:
Aloha Lawrence,

Lawrence Bottorff writes:

> On my original system, as well on a built-from-scratch system, babel prolog
> won't work for me. I've got latest swi-prolog 7.4.0 installed, along with
> Emacs 25.1.1, and org 9.0.4, along with ob-prolog 20170102.953, and prolog
> (major mode) 1.22. Anything I put in a code block, e.g.,
>
> #+BEGIN_SRC prolog
> [likes.pl].
> #+END_SRC
>
> results in (*Messages*)
>
> executing Prolog code block...
> executing Prolog source code block
> org-babel-variable-assignments:prolog: Wrong number of arguments: (1 . 1), 2
>
> Doing C-h f brings up
>
> org-babel-variable-assignments:prolog is a compiled Lisp function in
> ‘ob-prolog.el’.
> (org-babel-variable-assignments:prolog PARAMS)
> Not documented.
>
> . . . and I found it in
> https://github.com/ljos/ob-prolog/blob/master/ob-prolog.el, but can't
> fathom what is going wrong.
>
> Regular, non-org prolog major mode interactions work fine.
>
> I know I try everyone's patience on this list, but I'm trying out many
> different languages' babel capabilities -- and reporting my "findings."

Perhaps you could also open an issue with the ob-prolog developer:
https://github.com/ljos/ob-prolog

One way to report "findings" is the Babel languages page on Worg:
http://orgmode.org/worg/org-contrib/babel/languages.html

That page could always use more love.

All the best,
Tom

--
Thomas S. Dye
http://www.tsdye.com