The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/4898fbe1d7702f48ed18f1de1006fbf4.gif" -- '\Large \displaystyle v(t)= \frac{qE}{f}(1-e^{-(f/m)t}) '
returned status = 126
Image not found!
Please try the debugging script