The shell command"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/cc0e44966b55438efe8154c0515613b3.gif" -- '\Large \Pr_X\{x_i\}'returned status = 1 Image not found!Please try the debugging script