The shell command
"/var/www/moodle/filter/tex/mimetex.linux" -e "/var/www/data/efs/moodledata/filter/tex/e1338768016c16af64284aaebebb805c.svg" -- '\Large \int_{0}^{5} \operatorforbiddenkeyword_name{lf}(x) \mid \mathrm{dx}'
returned status = 126
Image not found!
Please try the debugging script