The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/e5f371c12863af0ffc671db0f1670a0c.gif" -- '\Large f'\''(r) = 2\pi r -2 \cdot \frac{1}{r^2} = \frac{2\pi r^3 - 2}{r^2}.'
returned status = 126
Image not found!
Please try the debugging script