The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/a8522074df65fdba4d3a0c8613a39536.gif" -- '\Large
f_{y}(x,y) = \frac{e^{2y}}{\sqrt{2x^2+e^{2y}}}, \quad f_{y}(2,0)=\frac{1}{3}.
'
returned status = 126
Image not found!
Please try the debugging script