The shell command
"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/3ae3f17fd46db88ddc3796a7c49c78de.gif" -- '\Large \rho=|\psi\rangle\langle\psi|'
returned status = 1
Image not found!
Please try the debugging script