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/51750e8dcbb7b335f06d5d6cad736cdd.gif" -- '\Large \frac{64}{27} '
returned status = 126
Image not found!
Please try the debugging script