The shell command
"/home/wmoodle/moodle-v4.1.11/filter/tex/mimetex.linux" -e "/data/moodledata_prod/filter/tex/54854969fac0cc3ec7dbc9bcbd1c6a6c.png" -- '\Large \cal G=(\vec e_{1},\ldots ,\vec e_{p})'
returned status = 126
Image not found!
Please try the debugging script