The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/adae4f899f6cd1800988b8982ccb3f2c.gif" -- '\Large \displaystyle\frac{i}{i_0}=\frac{c_{\text{R}}^s}{c_{\text{R,0}}^b}e^{\alpha
nf\eta}-\frac{c_{\text{O}}^s}{c_{\text{O,0}}^b}e^{(\alpha-1) nf\eta} '
returned status = 126
Image not found!
Please try the debugging script