The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/a23d6f99fa4a5c910e468e521916cddb.gif" -- '\Large R(x) = \frac{2x+m}{x^2+mx+n}'
returned status = 126
Image not found!
Please try the debugging script