The shell command
"/srv/www/0003_site/releases/4.1.17-6-dev/filter/tex/mimetex.linux" -e "/srv/www/0003_site/media/media_moodle/filter/tex/b8101fb4855291803fd94a257b08bc2c.gif" -- '\Large -3  \notin  \mathbb{N} '
returned status = 126
Image not found!
Please try the debugging script