The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/5618aee00a968cf39a8fd190f997429a.gif" -- '\Large x_{n+1} = x_n - \frac{x_n^3-x_n+1}{3x_n^2-1}. '
returned status = 126
Image not found!
Please try the debugging script