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/a50e76a4281eb34ea281e3aa3cf15dca.gif" -- '\Large \frac{c}{d}'
returned status = 126
Image not found!
Please try the debugging script