The shell command"/lrn-mdl-prod/build/71384/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/f7014b9e74057b7030fa382f1e5a2916.gif" -- '\Large \mathbf{E}_i'returned status = 1 Image not found!Please try the debugging script