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/897be41883a5bda5f083eb1998660c65.gif" -- '\Large \frac{ \pi}{2} '
returned status = 126
Image not found!
Please try the debugging script