The shell command
"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/7324293c130999908501a2822d5a6561.gif" -- '\Large \tilde{\vec{x}} = \mathbf{W}\vec{x}'
returned status = 1
Image not found!
Please try the debugging script