The shell command"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/ae114c6a6bff7726e3b7efd0e7c7eb09.gif" -- '\Large \sum_ip_i\rho_i'returned status = 1 Image not found!Please try the debugging script