The shell command"/lrn-mdl-prod/build/71384/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/6b065b4c9620293b7c835e8f54a85b2b.gif" -- '\Large \varphi=3\pi/2'returned status = 1 Image not found!Please try the debugging script