The shell command"/lrn-mdl-prod/build/71384/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/1cc6212caf9f42384d31bce1c4653683.gif" -- '\Large 0\leq\varphi\lt2\pi'returned status = 1 Image not found!Please try the debugging script