The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/a989ada42bab9381eb38d3ebaba51ab5.gif" -- '\Large \displaystyle i=F\sum\limits_{k}z_kJ_k '
returned status = 126
Image not found!
Please try the debugging script