The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/acbddadcde3dab2b366f128a48f716a1.gif" -- '\Large
\lim_{(h,k)\to (0,0)} \frac{f(a+h,b+k)-f(a,b)-h\,f_{x}(a,b)-k\,f_{y}(a,b)}{\sqrt{h^2+k^2}}=0.
'
returned status = 126
Image not found!
Please try the debugging script