The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d5f95805cfbf25bac99c80e53adde81d.gif" -- '\Large \displaystyle \frac{1}{2}y^2 - \frac{1}{2} =\frac{1}{2}x^2. '
returned status = 126
Image not found!
Please try the debugging script