The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/af3d777eda9c46a2063ad930bdc70fc8.gif" -- '\Large \int_{a}^{a}f(x)\,dx = 0.'
returned status = 126
Image not found!
Please try the debugging script