The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d2887fbcf546d061e2e69d607a0cb51a.gif" -- '\Large \frac{\mathrm d x^n}{\mathrm dx} = n \cdot x^{n-1}. '
returned status = 126
Image not found!
Please try the debugging script