The shell command
"/home/wmoodle/moodle-v4.1.11/filter/tex/mimetex.linux" -e "/data/moodledata_prod/filter/tex/a2ae668409f77756b4abd48c577930f8.png" -- '\Large (u+v)+w=u+(v+w) \Leftrightarrow [(u+v)+w](x)=[u+(v+w)](x), \forall x\in E'
returned status = 126
Image not found!
Please try the debugging script