The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/64c1cdb6f9ec73aa468c8a966e44cd88.gif" -- '\Large P(c+ik)\neq 0'
returned status = 126
Image not found!
Please try the debugging script