The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/2be3a7704273d21f4ae20071f5dc4534.gif" -- '\Large \text{A}_{\upsilon+}B_{\upsilon-} '
returned status = 126
Image not found!
Please try the debugging script