The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/70f17c8c92fdc72c8d59721e8eee6ab1.gif" -- '\Large \displaystyle \frac{1}{s} '
returned status = 126
Image not found!
Please try the debugging script