It worked about a month ago, stopped after I moved to
Libreoffice Version: 5.3.3.2
Build ID: 3d9a8b4b4e538a85e0782bd6c2d430bafe583448
on Kubuntu
16.04.2 LTS Release: 16.04
Codename: xenial
$ libreoffice --headless --convert-to pdf some.odt
returns
Error: source file could not be loaded
And no, Libreoffice is not running. Doesn’t matter what file type source or output are, or putting in the whole pathway.
(upper left area of answer).