The shell command"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/990c3e424262523b241e1b20ebc0e5ab.gif" -- '\Large a_{n+1} = q\cdot a_n 'returned status = 126 Image not found!Please try the debugging script