The shell command"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/582eee26d6492cd1e0d7af78005da759.gif" -- '\Large \vec{x}\neq\vec{0}'returned status = 1 Image not found!Please try the debugging script