I'm completely guessing - but does it help to add :results output ?

On 24 November 2017 10:06:12 GMT+00:00, Jakob Simeth <mailinglists@simeth.tk> wrote:
>Hi,
>
>I seem to have problems with lua source blocks (others are working
>fine): When evaluating a simple block like
>
>#+BEGIN_SRC lua
>print("Hello world!")
>#+END_SRC
>
>I get an empty RESULT block, and the message "evaluation complete".
>I am running org-9.1.3 (within the spacemacs org layer).
>
>Is lua still officially supported? ob-lua.el seems to be part of
>org-plus-contrib and lua is listed on
>http://orgmode.org/org.html#Languages
>
>However, not on
>http://orgmode.org/worg/org-contrib/babel/languages.html
>
>Is there a way to "debug" this?
>
>Thank you,
>Jakob
>
>
>-- 
>Jakob Simeth
>===================================================================
>GPG:                       AD0B55F959F83D14C6CA28153BE2F106425CBE4E