The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/b4e18057cd33e94a0b716e9dd441fd8f.gif" -- '\Large \frac{\mathrm d x^{n+1}}{\mathrm dx} = (n+1) \cdot x^n.'
returned status = 126
Image not found!
Please try the debugging script